Question

Find the diameter of the circle if the area is 12,474 sqcm.​

Answer 1

Answer:

area of circle = π r^2

12474 = 22/7 r^2

12474 * 7/22 = r^2

576 * 7 = r^2

3969 = r^2

√3969. = r

radius = 63

diameter = 2 radius

diameter = 2 * 63

diameter = 126 cm