Question

The perimeter of rectangular sheet is 120cm . If its length is 40cm,Find the breadth, also find its area

Answer 1

Answer:

perimeter =120cm

length = 40 cm

let breadth be x cm

then

2×(l+b)= 120

2×(40+b)=120

80+2b=120

2b=120-80

2b=40

b=20

AREA= l×b

40 × 20 =800cm square