Question

The length of a rectangle is 15 CM greater than its breadth its perimeter is 150 centimetre find the dimension of the rectangle

Answer 1

let length of triangle = x
and breadth = y

according to the question
x=y+15........ (1)
perimeter = 150
2(x+y) = 150....... (2)
from equation (1) put the value of y in equation (2)
2(y+15+y) = 150
2y+15 = 150/2
2y +15 = 75
2y = 75 -15
2y = 60
y=30
put this in equation (1)
x= 45