Question

A circle with a radius of 5 has a sector with a central angle of 9/10pi radians what is the area of the sector

Answer 1

11.25pi units² or 35.3 units² (3 sf)

Explanation:

½×r²×theta

½ × 5² × 0.9pi

11.25pi units²

Or, 35.3 units² (3 sf)