Question

Find the area of the rectangle and its length if the perimeter of rectangle is 120 cm and breadth of rectangle is 40 cm

Answer 1

Answer:

perimeter =2(L+B)

120=2(L+40)

120=2l+80

120-80=2l

40=2l

40/2 = L

20 = L

Area= L*B

= 20* 40

=800