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5. What is the area of a circle with diameter 20 cm? Round your answer to the nearest tenth.

5. What is the area of a circle with diameter 20 cm? Round your answer to the nearest tenth.
asked 149k views
2 votes
5. What is the area of a circle with diameter 20 cm? Round your answer to the nearest tenth.

asked
User MRA
by
7.5k points

2 Answers

5 votes

Answer: 314 cm squared

Explanation:

20 divided by 2 = 10

10 x 10 = 100

100 x 3.14 = 314

answered
User Lanier
by
7.2k points
3 votes
Area of a circle = πr²

Radius = 1/2 d = 1/2(20) = 10

A = π • 10²
= π • 100
= 314.2cm
answered
User Lomine
by
8.0k points
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