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14 votes
14 votes
The diameter of a circle is 10 ft. Find its area to the nearest tenth.

User Frank Koehl
by
2.5k points

2 Answers

15 votes
15 votes

Answer:

15.70

Explanation:

User JTeam
by
2.9k points
13 votes
13 votes

Answer:

78.5

Explanation:

Formula: a = πr², r = d/2

Given: π = 3.14, d = 10

Sub: a = (3.14)r²

Find r.

r = 10/2

r = 5

Sub: a = (3.14)5²

Simplify: a = (3.14)25

Solve: a = 78.5

The answer is 78.5.

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User IAj
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2.9k points