Question

If the area of a circle of radius 7 cm is 154 sq. cm, what is the area of the shaded portion of the figure shown below ?

Answer 1

Answer:

7 cm

Step-by-step explanation:

A = 154

=154 =   πr^2  

=r^2 = 154/2

=49.02

r= $\sqrt[2]{49.02}$

r=7 cm

Answer 2

Answer:

7 cm

Step-by-step explanation:

A = 154

=154 =   πr^2  

=r^2 = 154/2

=49.02

r=

r=7 cm