Jenny's circular birthday cake has a 10 in. radius. Each slive has a central angle of 15^o. What is the sector area of the top of one slice of cake , to the nearest square inch?
PI r^2 = area area of each slice is proprtional @ 15degrees/360degrees
pi r^2 x 15/360 = 13.089 ~ 13 sq in
PI r^2 = area area of each slice is proprtional @ 15degrees/360degrees
pi r^2 x 15/360 = 13.089 ~ 13 sq in