Question

the width of a rectangle is 15 cm less than the length. the perimeter is 98 cm. Find the rectangles dimensions

Answer 1

Half of perimeter (or L+ W) is:

98/2= 49 (cm)

L- W= 15

L+ W= 49

L= (49+ 15)/2= 32

W= (49-15)/2= 17

The length is 32 cm and the width is 17 cm~

Explanation: