Question

If perimeter of rectangular sheet is 90 cm, the length is 35 cm. Find its area. up​

Answer 1

Answer:

l= 35cm

Peri=90cm

Peri= 2(l+b)

90/2=35+b

45-35= b

Or 10cm= b

then Area of rectangle= l×b

or area= 35×10

Or area = 350cm²

Answer 2

Answer:

Area of rectangle= length ×breadth

=90 ×35

=3150