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gavmur [86]
2 years ago
14

A homeowner wants to include a semicircular patio at the end of a square sandbox. She knows that the area of the semicircular pa

tio is 25.12 cm. What is the length of the side of the square?
Mathematics
1 answer:
stepladder [879]2 years ago
6 0

Answer:

8cm

Step-by-step explanation:

First you must know that the diameter of the semi-circular patio is equal to the length of one side of the square

Area of a semi circle = πr²/2

25.12  = πr²

25.12 = 3.14r²/2

r² = 25.12(2)/3.14

r² = 16

r = √16

r = 4

Get the diameter

d = 2r

d =2(4)

d = 8cm

Hence the length of the side of the square is 8cm

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you can use a calculator if you want. No links please help this is very important i will give you brain thing if its correct
Leto [7]

Step-by-step explanation:

1. move the decimal to make the numbers whole

0.25 - move to the right 2 times - 25

0.044 - move to the right 3 times - 44

2. Multiply 25 * 44 = 1,100

3. Add decimal

you moved the decimal 6 times in total for both numbers...so move the decimal 6 times starting from right.

<u>Answer - 0.01100 or 0.011</u>

7 0
3 years ago
Find the value to make the equation true<br><br> 1) ?/1 = 14/17
Serggg [28]

Answer:

14/17

Step-by-step explanation:

Find the value to make the equation true

1) ?/1 = 14/17

x : 1 = 14 : 17

x = 1 * 14 : 17

x = 14 : 17

x = 14/17

5 0
1 year ago
7.7.4 Practice: Modeling: Similarity Theorems will give brainliest
Nimfa-mama [501]

Similar triangles may or may not be congruent

  • The height of the peak is 72 feet
  • The triangles are similar by AA similarity postulate

<h3>How to determine the similarity statement</h3>

First, we determine the height of the peak using the following equivalent ratios

P B :  B M = T F : F M

So, we have:

PB : 20ft= 6ft : 1ft\ 8in

Express the units in inches

PB : 240in= 72in: 20in

Express as fractions

\frac{PB}{240} = \frac{72}{20}

Multiply both sides by 240

PB = \frac{72 * 240}{20}

PB = 864

Express as feet

PB = 72 feet

So, the height of the peak is 72 feet

The ratio also means that the triangles are similar by AA similarity postulate

Read more about similar triangles at:

brainly.com/question/14285697

5 0
1 year ago
Help me, please!!!!! CORRECT ANSWER GETS BRAINLIEST!!!!!!
zavuch27 [327]
Hello,

Here is your answer:

The proper answer to your question is..... 200,000=4x-20

When your doing questions like these make sure you pay attention to the question.

Your answer is 200,000=4x-20

If you need anymore help feel free to ask me!

Hope this helps!

7 0
3 years ago
On a recent day , a Euro was equal to about 1.2 American dollars.write an expression which estimates the number of American doll
LuckyWell [14K]
Here's the way to go:

<span>25 Euros       $1.20
------------- * --------------- = number of American dollars equal to 25 Euros.
       1               1 Euro

Cancel "Euro" in the 2 places where it occurs.  The numeric outcome will be $30.</span>
3 0
3 years ago
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