Question

36 unit squares are joined to form a rectangle with the least perimeter. Perimeter of the rectangle is

Answer 1

Option (b) is correct.

Area of rectangle is 36 units

We have,

⇒36=6×6

=2×3×3×2

=4×9

Hence, the sides of a rectangle are 4cm and 9cm

Perimeter =2(l+b)

=2(4+9)

=13×2

=26units