Question

the area of a r rectangular is 540 cm)2 and its length 36 cm . find width of the perimeter

Answer 1

Area of a rectangle=l*b
540=36*b
b=540/36
=15cm

Answer 2

the width must be 15 . you can find it by -
 area of rectangle=l*b
540=36*b
b=540/36
=15 cm