Question

If the area of a circle is 154cm then what is the circumference of the circle

Answer 1

$radius = 7 \: cm \\ cicumference \: of \: the \: circle = \: 44 \: cm$

Answer 2

Step-by-step explanation:

area of circle = πr²

154 = πr²

r² = 154/π

r = 7 cm

circumference of circle = 2πr

=2×(22/7)×7

= 44 cm