Calculate the degree measure of a sector of a circle with a radius of 18 cm, if the area of this sector is 18пcm ^ 2.

Area of a circle = пR ^ 2
Therefore, the area of this circle = P * 18 ^ 2 = 324п
It is necessary to find what part of the circle this sector is = 18п, for this the area of the circle, we divide by the area of the sector 324п: 18п = 18
Therefore, the sector is the 18th part of the circle, and 360: 18 = 20 is the degree measure of the angle