Question

if the area of a circle is314.15mm^2 than what is the radius the circle
$314.15 { \sqrt{?} }^{2}$
​

Answer 1

Step-by-step explanation:

Area =πr

2

⇒3.14×r

2

=314

⇒r

2

=

3.14

314

×100

⇒r

2

=100

⇒r=10cm.