Question

The breadth if rectangle is 11 cm less than its length and perimetre is 79 cm

Answer 1

hey friend

b=l-11

perimeter=2(l+b)=79

2(l+l-11)=79

2(2l-11)=79 =>4l-22=79

4l=79-22

4l=57

l=57/4=14.2cm

b=14.2-11=3.2cm