Question

What does this mean ?

Answer 1

circumference is the outside area of a circle

area of the circle is the inside area

Answer 2

Explanation:

Area= 13.86 cm²

πr²= 13.86 cm²

r= √13.81 ×7/22

r= 2.1 cm

Circumference= 2πr

= 2 × 22 × 2.1 / 7

=13.2 cm