Question

the length of a rectangle is 16cm more than the breadth.if the perimeter of the rectangle is 96 cm.find the length and breadth of the rectangle

Answer 1

let breath be x
length=x+16

since, 2×(l+b)=perimeter
therefore, p=2(x+x+16)
p=2(2x+16)
p=4x+32
(96-32)/4=x
x=16

breath=16
length=32