Question

the perimeter of a rectangle is 150 cm . If its length is 50cm. Then find the area of rectangle

Answer 1

perimeter of rectangle = 150

2( l + b ) = 150

2( 50 + b ) = 150

100 + 2b = 150

2b = 150 - 100

b = 25

area of rectangle = lb

= 50 × 25

= 1250 cm square