27hpeng 27hpeng

08-01-2022
Mathematics

contestada

if the area of a circle is 121 pi cm squared, what is the circumference of the circle?

Respuesta :

marwajaheed marwajaheed

10-01-2022

Answer: 69.1

.

units

Explanation:

First, find the radius

r

of the circle. Use the formula

a

=

π

r

2

area

=

π

⋅

r

2

121

π

=

π

⋅

r

2

121

=

r

2

11

=

r

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