have the answer...need the formula

[gman123]

The area of a scetor af a circle of radius 15 cm is 45 pi/2 square centimeters. Find the measure of the central angle that forms the sector.

 

[Deleted member 4993]

The area of a scetor af a circle of radius 15 cm is 45 pi/2 square centimeters. Find the measure of the central angle that forms the sector.

Use:

Area of a sector with radius 'r' and central angle of (\(\displaystyle \alpha\)) = \(\displaystyle \dfrac{\alpha * r^2}{2}\)