Question

area of a cirle is 154cm².find its circumference​

Answer 1

Answer:

the radius will be 7

circumference is 2pir=2×22/7×7

44 cm

Explanation:

it is question of class 10th ex 10.1 maybe

Answer 2

Explanation:

1.) Area of Circle = Pie r²

Area of Circle = 154 cm²

22/7 × r² = 154

r² = 154 × 7/22

r² = 49

r = 7 cm

2.) Circumference of Circle = 2 Pie r

= 2 × 22/7 × 7

= 44 cm