Question

If the area of a semicircle is 84 cm', then the area of the circle is
168 cm
​

Answer 1

Answer:

167.4

Step-by-step explanation:

area of semicircle is pi*r*r/2=84

so solving gives R=7.3

area of circle is pi*r*r=22/7*7.3*7.3

=167.4

Answer 2

Answer:

Area of the semicircle is 84 cm

Area of the circle is = Area of the 2 semicircle

So, The Area of the circle is 2×84 = 168 cm