Question

Find the area of a sector of a circle having radius 6 cm and length of the arc 15 cm. 

Answer 1

Radius (r) =6 cm 

lenght of arc (l) = 15 cm 

Area of sector = `"radius" /2 xx `length of arc 

                       `= 6/2 xx 15 = 45 `

∴ Area of the sector is 45 cm².