76 cm a 52 cm Find the area of the regular pentagon (the answer has one digit after the decimal point)​

76 Cm A 52 Cm Find The Area Of The Regular Pentagon (the Answer Has One Digit After The Decimal Point)

Answers

Answer 1

Answer:

98.8 cm²

Step-by-step explanation:

Hi there!

[tex]A=\frac{1}{2} Pa[/tex] where P is the perimeter of the pentagon and a is the apothem (the line going from the center of the pentagon one edge)

1) Find the perimeter

[tex]P=5l[/tex] where l is the side length

Plug in the side length 7.6 cm

[tex]P=5(7.6)\\P=38[/tex]

Therefore, the perimeter of the pentagon is 38 cm.

2) Find the area

[tex]A=\frac{1}{2} Pa[/tex]

Plug in the perimeter (38) and the apothem (5.2)

[tex]A=\frac{1}{2} (38)(5.2)\\A=\frac{1}{2} (38)(5.2)\\A=\frac{1}{2} (197.6)\\A=98.8[/tex]

Therefore, the area of the pentagon is 98.8 cm².

I hope this helps!


Related Questions

Carla has to pack 600 oranges into 24 crates. If each crate holds the same number of oranges, how many oranges are in each crate?

Answers

Answer:

25

Step-by-step explanation:

600/24=25 per crate

Answer:

Step-by-step explanation:

5

what are sides 'a' and 'b' called in a right triangle

Answers

Answer:

The relation between the sides and angles of a right triangle is the basis for trigonometry.

Step-by-step explanation:

The side opposite the right angle is called the hypotenuse (side c in the figure). The sides adjacent to the right angle are called legs (sides a and b ).

Answer:

The legs

Step-by-step explanation:

In a right triangle, sides a and b are called "the legs." These are the sides that create the right angle. Side c is called the hypotenuse and it is the longest side of a right triangle. Side c is opposite of the right angle.

I hope this helps!

mples: Find the area of
16 ft

Answers

sorry bro i really need the points i hope u find it tho

Answer:

201.1

Step-by-step explanation:

πx8²=201.1

find the equation of the line that passes through points A and B

Answers

Answer:

y= 2x - 1

Step-by-step explanation:

find the slope of the two points using the slope formula. then use one point with the slope to find b in y= mx + b

Answer:

y = 2x + 1

Step-by-step explanation:

Hailey saved up $357.45 in her Piggy Bank. She decided that she wanted to use $97.99 to buy Roller skates and $50.00 to buy the Glow In the Dark flashing wheels. How much money will Hailey have leftover?

Answers

Answer:

209.46

Step-by-step explanation:

subtract $357.45, $97.99, and $50 and

you'll get $209.46

3. Using a scale factor of 1 in to 2.5 feet, if a model of a fire truck measured 12 inches, how many
feet is the actual fire truck?
A. 30ft
B. 30in
C. 15ft
D. 15 in
distance

Answers

Answer:

30ft.

Step-by-step explanation:

1 in = 2.5 ft

For every inch, we multiply by 2.5.

2.5 * 12 = 30

The World Health Organization (WHO) suggests having 23 health-care workers for every 10,000 people. How many health-care workers are needed to meet the suggestion of 250,000 people? Justify your answer using a graph.

Answers

Answer:

The correct answer is 575.


Can someone please help me with this!

Answers

Answer:

square root of 148

Step-by-step explanation:

distance formula: d=√(x2−x1)^2+(y2−y1)^2

d√=(-5--3)^2+(11--1)^2

d=√(-2)^2+(12)^2

d=√4+144

d=√148

What is 562,148,900 in expanded form

Answers

Answer:

562,148,900 =

500,000,000

+ 60,000,000

+ 2,000,000

+ 100,000

+ 40,000

+ 8,000

+ 900

+ 0

+ 0

Answer:

Hello!

First we need to understand what expanded form is!

Expanded form is a way of writing a number to see the value of each digit. An example is:

111

100 + 10 + 1 = 111

So we must find the value of 562,148,900, in expanded form.

First we would find the first digit, and separate it from the other digits.

5

Then, we would count the digits behind that, and add it to the right of the five, in the form of zeroes.

500,000,000

We would continue this process for each digit, and then we would put them in addition form.

Your final answer would be,

 500,000,000  

60,000,000  +

2,000,000  +

100,000          +

40,000          +

8,000          +

900                  +

0                  +

0                  +

__________________________

             562,148,900

waffletowne

what is 238 rouned to the nearst houndred​

Answers

200 because:
250 or higher is 300
249 or lower is 200

Answer:

200

Step-by-step explanation:

Which equation models a proportional relationship with the unit rate of 3?

Y = 3

Y = 3x

Y = x+3

Y = 3x + 3

Answers

y=3x please mark as brainliest:)

15° 13 8) X 35° Find the measure of the indicated 9)
ignore the stuff above​

Answers

Answer:

The missing angle to this triangle is 55 degrees, x is 14.65, and the other missing length is 8.4.

Step-by-step explanation:

In a triangle, all of the angles sum up to 180 degrees. We are given it is a right triangle with another given angle of 35 degrees. 180 degrees - 90 degrees - 35 degress is 55 degrees. Now, we can use law of sines to find x. x / sin 90 degrees = 12 / sin 55 degrees. sin 90 degrees can be simplified to 1. x = 12 / sin 55 degrees. x = 14.65. By using the pythagorean theorem, we can find the last missing side, which is 8.4.

Four buses were filled with children and 20 children rode in cars for a field trip. If each bus can hold 58 children, how many went on the field trip?

Answers

The correct answer to your question is 252 children

Which figure will result from this net?

Answers

Pentagonal prism.

The shape will have bases that are pentagons.

Can someone really help me!

Answers

Answer:

Step-by-step explanation:

 3x - (3x) - 2 = 3x + 3x - 2    {Combine like terms}

                       = 6x - 2    

I-100I + 3x - [-4x] = 100 + 3x + 4x

                            = 100 + 7x

I -100 I  means absolute value of 100 = 100

Triangle ABC is similar to Triangle DEF. Use the similar triangles to
answer the questions. (The triangles are not to scale.)
(In pic)
a.) Find the length of the BC and DF.
b.) Find the perimeter of each triangle

please help ! thanks :)

Answers

Answer:

Below in bold.

Step-by-step explanation:

As they are similar corresponding sides are in the same proportion so

3/2 = BC/3

2BC = 3*3

2BC = 9

BC = 4.5.

3/2 = 5/DF

3DF = 2*5

DF = 2*5 / 3

= 3.33...

Perimeter of ABC = 3 + 4.5 + 5 = 12.5.

Perimeter of DEF =  2 + 3 + 3.33.. = 8.33...

Answer:

BC = 4.5 cm

DF = 10/3 cm

Step-by-step explanation:

Corresponding sides of similar triangles are in same ratio

[tex]\frac{BC}{EF}=\frac{AB}{DE}\\\\\frac{BC}{3} =\frac{3}{2}\\\\BC = \frac{3}{2}*3\\\\BC = \frac{9}{2}\\\\BC = 4.5 cm[/tex]

[tex]\frac{DF}{AC}=\frac{DE}{AB}\\\\\frac{DF}{5}=\frac{2}{3}\\\\DF = \frac{2}{3}*5\\\\DF = \frac{10}{3}[/tex]

Perimeter of ΔABC = 3 + 5 +4.5 = 12.5cm

Perimeter of ΔDEF = 2 + 3 + 3.3 = 8.3 cm

Dr. Seals borrows $15,000 to remodel her backyard. The interest rate is 3%. The interest is compounded twice a year for two years. How much is the total she pays? How much is the interest?

Answers

Answer:

$1688.26

interest= $188.26

Step-by-step explanation:

188.26 is the answer

What do the a b and c stand for in the pythagorean theorem?

Answers

a and b are the legs, and c is the hypotenuse.
hope this helps!

Answer:

A, B, and C are labeled for each side of a right triangle.

Step-by-step explanation:

A and B are used to label the legs while C is used to label the hypotenuse(AKA the long side of a right triangle and the side opposite of the 90° angle.) The B side is the opposite side of the hypotenuse or the side C. The A is the bottom leg that is in between sides B and C.

Help if you can!! I really need some good grades or I will fail on this and that wont help anything.

Answers

Answer:   6  1/8

Step-by-step explanation:

Each x on the line represents one piece of string that long. For example, since there is one x at 1/8, she cut one piece of string 1/8 ft long. So you take all the values and add them up:

1/8+2/4+2/4+2/4+2/4+5/8+3/4+3/4+7/8

then find a common denominator (so make everything over 8)

1/8+4/8+4/8+4/8+4/8+5/8+6/8+6/8+7/8    =      41/8

when you divide this, you will get 5 1/8

since theoriginal problem says she still has 1 foot leftover, you add one to get the total value when she started.

So, Emma had 6 1/8 ft string originally

The picture is attached

Answers

Answer:

Step-by-step explanation:

A)

3x+1

B)

2Cos(2x-1)

Help
Construct a problem that is written in exponent form then explain the steps to converting a problem from exponent to radical form.

Answers

Step-by-step explanation:

Radicals and fractional exponents are alternate ways of expressing the same thing. ... These examples help us model a relationship between radicals and rational ... Problem. Write as an expression with a rational exponent. The radical form can be ... Change the expression with the rational exponent back to radical form.  

i need this answer asap (as soon as possible) i spelled it so the ones who dont know what asap means:/

Answers

Answer:

3 root 2, a

Step-by-step explanation:

goodluck on your test

f(-3)=x^2+4

just need help with this

Answers

Step-by-step explanation:

f(-3)=(-3)^2+4

=9+4

=13

hope it helps u dear friend

Answer:

Step-by-step explanation:

Given

f(x) = x² + 4

Now

f(- 3) = (-3)² + 4

       = 9 + 4

       = 13

hope it helps :)

A total of 40 parents volunteered to bring a cake for the Holiday fair.Of the 40 volunteers that brought cake,10 of them brought two cakes. Out of all the cakes at the holiday Fair , 30% were chocolate. How many cakes were chocolate?

Answers

Answer:

15!

Step-by-step explanation:

so 40 people volentered to bring cakes, but 10 brought 2. So (30*1)+(10*2)=50 cakes. So, 30 percent of 50 cakes would be 15. To double check, times 50 by 100 and then 30 percent would become 30 (making super sure the actual answer is 15)

Yeah please help

Shannon scored 36 point on 6 questions on her test. what is the unit rate for one question?

Answers

Answer:

6 poinnts per question

Step-by-step explanation:

Answer:

x = the number of points for each question

6 = number of questions

36 = total number of points

number of questions times the number of points will equal total points

6x = 36

divide both sides by 6

6x/6 = 36/6

x= 6

Step-by-step explanation:

If a1=4 and an =2an-1 – 1 then find the value of a4.

Answers

1 = 4

a2 = -2(a1) - 1
a2 = -2(4) - 1
a2 = -9

a3 = -2(a2) - 1
a3 = -2(9) - 1
a3 = -19

Can you do a4 and a5 and answer?

The value of [tex]a_{4} = 37[/tex].

Here,

The value of [tex]a_{1} = 4[/tex]

And,  [tex]a_{n} = 2 a_{n-1} -1[/tex]

We have to find value of [tex]a_{4}[/tex].

What is Sequence?

A sequence is a collection of elements that are arranged according to a specific pattern.

Now,

The value of [tex]a_{1} = 4[/tex]

And,  [tex]a_{n} = 2 a_{n-1} -1[/tex]

Then to find value of [tex]a_{4}[/tex], we can find [tex]a_{2} , a_{3}[/tex] as;

[tex]a_{2} = -2(a_{1} ) - 1\\a_{2} = -2(4) - 1\\a_{2} = -9[/tex]

And,

[tex]a_{3} = -2(a_{2} ) - 1\\a_{3} = -2(9) - 1\\a_{3} = -19[/tex]

Hence, the value of [tex]a_{4}[/tex] is;

[tex]a_{4} = -2(a_{3} ) - 1\\a_{4} = -2(-19) - 1\\a_{4} = 37[/tex]

Therefore, The value of [tex]a_{4} = 37[/tex].

Learn more about the sequence visit:

https://brainly.com/question/7882626

#SPJ2

29 , 58 , 116 , 7th term

Answers

Answer:

The 7th term is 1856.

Step-by-step explanation:

The equation of this is n * 2 for the next of every variable. So with this knowledge,

first term = 29

Multiply by 2.

second term = 58

Multiply by 2.

third term = 116

Multiply by 2.

fourth term = 232

Multiply by 2.

fifth term = 464

Multiply by 2.

sixth term = 928

Multiply by 2.

seventh term = 1856.

How do I find the circumference?

Answers

The formula for circumference is 2(3.14)r
r = radius

You lip a coin 20 times. Predict about how many times would you expect to flips
heads (P heads)?
about
times

Answers

10/20 times because there is a 50/50 chance that heads is flipped each time

Solve the equation (4x – 24) + x = 14.
Distribute the į to the quantity to get:
Combine the like terms to get
Add 6 to both sides to get:

Answers

Answer:

(4x – 24) + x = 144x - 24 + x = 14(4x + x) - 24 = 145x - 24 + 24 = 14 + 245x = 385x/5 = 38/5x = 7.6
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