Question

Find the area of the rectangle if its perimeter is 48 cm and its breadth is 6cm

Answer 1

Perimeter= 2(l+b)

48= 2(l+6)

48= 2l+12

48-12 =2l

36=2l

36/2= l

18=l

Now,l= 18

Area of rectangle = l× b = 18×6

=108cm²

Answer 2

A of rect.=l×b

18×6
108cm^2