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The circumference of a circle is 30. What is its area?

The circumference of a circle is 30. What is its area?
asked 195k views
5 votes
The circumference of a circle is 30. What is its area?

asked
User Ginevra
by
8.4k points

2 Answers

7 votes

Answer:

71.62

Explanation:


A = (C^2)/(4 * \pi )\\A = (30^2)/(4 * 3.14 )\\A = 71.62

answered
User Leszek
by
7.9k points
3 votes
pi r squared is area.
2 pi r is circumference.

a =c^2 / 4pi = 30^2 / 4 * pi = 71.619
answered
User Hythlodayr
by
8.8k points
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