Question

if the length of a rectangle is 3 times of its breadth and perimeter is 96cm find the length and breadth of rectangle​

Answer 1

Breadth=x
Length=3x
Perimeter of a rectangle=2(l+b)
96=2(3x+x)
96=2(4x)
96=8x
x=96/8
x=12
Therefore breadth=12cm
Length=12*3=36cm