Question

the area of circle is 154cm^2. find its circumference

Answer 1

$\large \tt AHOY!! \:$

given area of the circle = 154cm²

formula for the area of a circle is πr²

=> πr² = 154cm²

=> 22/7 × r² = 154cm²

=> r² = 154/1 × 7/22

=> r² = 7 × 7

=> r = 7cm

hence, it's circumference = 2πr

= 2 × 22/7 × 7

= 44cm

$\large \tt HOPE \: THIS \: HELPS!!$

Answer 2

From the question.We get
πr2=154cm2
r2=154×7/22
r=7
Circumference=2πr
=2×22/7 ×7 cm
=44cm
HOPE ITS HELP YOU