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Determine the area of each circle need to use 3.14 for pi and round to the nearest tenth

Determine the area of each circle need to use 3.14 for pi and round to the nearest-example-1

2 Answers

2 votes

Answer:

Area of circle =
\pi r^2


\pi=3.14 \\ r=28\ \text{in}


\pi r^2=3.14 * (28 \ \text{in})^2=2461.76 \ \text{in}^2

Since the question ask to round to the nearest tenth, the answer is
2461.8 \ \text{in}^2

User Big Tummy
by
3.8k points
4 votes

Answer:

2461.8 in²

Explanation:

Area of a circle = r²π

Using r=28 and π=3.14:

Area = 28²×3.14 ≈ 2461.8 in² rounded to the nearest tenth (ans)

User Dan Frank
by
4.5k points