Question

the area of rectangular is 540 CM square and its length is 36 cm find its width and perimeter

Answer 1

Area =l×b
540=36×b
B= 15cm
Perimeter =2(l+b)
=2×(36+15)
=2×51
= 102

Answer 2

Area =length × breadth
540=36b
b=15 cm


Now perimeter
=
$2(l + b) \\ = 2(15 + 36) \\ = 102 \: \: cm$