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katrin2010 [14]
2 years ago
6

The picture represents a final step used in...

Mathematics
1 answer:
RUDIKE [14]2 years ago
8 0
I believe it’s constructing angle bisectors
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A community pool that is shaped like a regular pentagon needs a new cover for the winter months. The radius of the pool is 20.10
boyakko [2]

Answer:

960.42\text{ ft}^2

Step-by-step explanation:

Please find the attachment.  

We have been given that a community pool that is shaped like a regular pentagon needs a new cover for the winter months.

To find the area of community pool we will use area of pentagon formula.

\text{Area of pentagon}=\frac{1}{2}a*p, where, a represents the apothem or perpendicular distance from the center of the pentagon and p represents perimeter of pentagon.

Let us find the perimeter of our given pentagon by multiplying each side length by 5.

\text{Perimeter of community pool}=5\times 23.62

\text{Perimeter of community pool}=118.1

Now let us find apothem of our pentagon by using Pythagoras theorem.  

a^2=20.10^2-11.81^2

a^2=404.01-139.4761

a^2=264.5339

a=\sqrt{264.5339}

a=16.2645

Upon substituting our given values in above formula we will get,

\text{Area of community pool}=\frac{1}{2}\times 16.2645\times 118.1

\text{Area of community pool}=8.13224907\times 118.1

\text{Area of community pool}=960.418615627971\approx 960.42

Therefore, the area of the pool that needs to be covered is 960.42 square feet.

3 0
3 years ago
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What is 9,349 rounded to the nearest thousand?​
zlopas [31]

Answer:

9000

Step-by-step explanation:

since the hundreds value is under 5, you round down and it will round the thousands value to 9000

3 0
3 years ago
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In one or two sentences briefly describe the functions of the structures of the immune system:
CaHeK987 [17]
Answer is F because of bones
4 0
1 year ago
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Decide whether the equation is a function, not a function, linear but not a function, or a linear function. Choose the best opti
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The answer is function
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3 years ago
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Enter product in simplest form<br>1/4×7 4/5​
grigory [225]

Answer:

i believe the answer is 39/20 which could also be 13/7

Step-by-step explanation:

8 0
3 years ago
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