Question

Find the angle of a sector with area 30 cm2 and radius 12 cm.

Answer 1

Explanation:

Looking for the fraction of 360 degrees (x/360) that results in area of 30 cm^2 with radius 12 cm

Area of ENTIRE circle = pi r^2 = pi 12^2

Sooooo.....

x/360 * pi * 12^2 = 30 cm^2

x=23.9 degrees