Question

The length of rectangular park is thrice its breadth and if the breadth is 15meter ,find the perimeter of the park

Answer 1

bredth=15
length will be =45
perimeter=2(l+b)
=2(45+15)
=120

Answer 2

l of park is 15 ×3=45
b=15
p=2(l+b)
p=2×60
p = 120 m cube