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The area of a circle is 641 ft2. What is the circumference, in feet? Express your

answer in terms of

User Bgamari
by
3.1k points

2 Answers

2 votes

Answer:

The circumference is 89.68 ft.

User Yury Bondarau
by
3.7k points
4 votes

Explanation:

Given

Area of a circle (A) = 641 ft²

Circumference (C) = ?

We know

πr² = 641

r² = 641 / 3.142

r² = 204

r = 14.28 ft

Now

Circumference

= 2πr

= 2 * 3.14 * 14.28

= 89.68 ft

Hope it will help :)

User Sathwick
by
3.4k points