Question

find the radius of a circle whose area is 2π cm²​

Answer 1

Answer:

Area of the circle- 2π cm²= 2 ×22/7 cm² = 44/7 cm²

ATQ, area of circle = πr²

44/7 = 22/7r²

22/7r² = 44/7

r² = 44/7 × 7/22

r² = 2

r × r = 1.41421356 × 1.41421356

r = 1.41421356

hope it helps u