Question

Find the diameter of circle whose area is 77\8m sq

Answer 1

Answer:

3. 5 m

Step-by-step explanation:

Area of a circle = 77/8 m

22/7 × r^2 =77/8

r^2 = 77/8 × 7/22

r^2 = 539/176

r^2 =3. 0625

r=(3. 0625)^1/2

r =1. 75 m

we know that d=2r

d=2×1. 75

d=3. 5 m