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erastovalidia [21]
3 years ago
10

GETS BRAINLIEST AND 50 PTS!

Mathematics
2 answers:
FromTheMoon [43]3 years ago
4 0
If the diameter is 3 feet, then the radius is 1.5 feet. Area of a circle = pi * radius squared or A =  \pi r^{2}

A = pi * (1.5)²
A = pi * 2.25
A = 3.14 * 2.25
A = 7.065 ≈ 7.1 

7.1 feet² is your answer. 
In-s [12.5K]3 years ago
4 0
You are solving for the area of circular shape.

Let area = A
Let π= 3.14
Let radius = 1.5

The formula is as followed, you fill in the blanks:

A= \pi r^2 \\ (Area = 3.14 * radius^2

The answer exact answer is 7.07, but if you were to round it, because you want an approximate answer it would be 7.1 square feet.

<span>Your answer from your choices given is bolded, and the work is in the picture:

- 7.1 square feet
- 9.4 square feet
- 18.8 square feet
- 28.3 square feet

</span>
<span><span>Author's Note:

</span> Please help me rank up to Virtuoso!!!
All I need is the following:
•Points: 0
•Brainliest Answers: 3 </span>




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Read 2 more answers
Find the area of the regular polygon
olasank [31]

area = 44.0467 \: cm {}^{2}

<h3>step by step explanation </h3>

● area of regular polygon Formulas ,

⟹a = \frac{l^{2}n}{4tan(\frac{\pi }{n)}}

● now finding the area of regular polygon,

⟹\frac{4 {}^{2} \times 8 }{ 4 \: tan \:  \binom{180}{5} }

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Hope it's helps you

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3 years ago
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