Question

length of a rectangle exceeds its breadth by 4 cm f. If the perimeter of a rectangle is 84 M, find the length and breadth of a rectangle.

Answer 1

P=2(l+b)=84
=2(l+4+l)=84
=2(2l+4)=84
=4l+8=84
=4l=84-8
=l=76/4
=l=19