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9966 [12]
3 years ago
10

#20-9: Find the are of a circle that has a diameter of 20.2 inches. Use 3.14 for pi and round to the nearest hundredth.

Mathematics
2 answers:
Naya [18.7K]3 years ago
6 0

Answer:

  320.31 in²

Step-by-step explanation:

The area of a circle can be computed from ...

  A = (π/4)d²

Filling in the numbers and doing the arithmetic, we get ...

  A = (3.14/4)(20.2 in)² ≈ 320.31 in²

Finger [1]3 years ago
4 0

Answer:

320.47in² or 320.47 (to the nearest hundredth)

Step-by-step explanation:

The area of a circle that has a diameter of 20.2 inches is 320.47in².

Formulas: A=πr2  and d=2r

A=1/4πd2=1/4·π·20.22≈320.47387in²

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<h3>Algebraic expression</h3>

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