Question

A sheet is 11 cm long and 2 cm wide circular pieces 0.5 CM in diameter are cut from it to prepare disc calculate the number of discs that can be prepared

Answer 1

First find the area of sheet =(11×2)cm^2 =22cm^2. now area of circular disc =(22/7×0.5/2×0.5/2)cm^2 》(5.5/28) cm^2=0.196cm^2. number of disc=22cm^2/0.196cm^2=112

Answer 2

it is the right answer dear