Question

The area of a sector of a circle of radius 5 cm is 5 π cm². Find the angle contained by the sector.

Answer 1

Area of sector = 5π cm² 

Radius = 5 cm

5π = \(\frac{θ}{360°}\timesπ\times25\)

q = \(\frac{5π\times360°}{25π}\) = 72°