How do you find the area of a circle when the radius is 6.2?

2 Answers
Mar 7, 2018

Substitute r = 6.2 into the equation for area of a circle.

Explanation:

The equation for area a circle is A=pi*r^2A=πr2

Mar 7, 2018

120.7628120.7628

Explanation:

The general equation for any circle is pir^2 πr2 where rr is the radius.

Note r^2 = rxxr r2=r×r

Hence here r = 6.2 r=6.2

=> pir^2 = pi * 6.2^2 πr2=π6.22

=> pi * 38.44 π38.44

= 120.7628 =120.7628 to 4 d.p