Find all the possible dimensions (in natural numbers) of a rectangle with an area of 36sqcm, and find their perimeters.
Area = 36 sq.cm
l × b = 36
Case I = 18 × 2
Case II = 9 × 4
Perimeter for Case I = 2 × (18 + 2)
= 2 × 20
= 40 sq.cm
Perimeter for Case II = 2 × (9 + 4)
= 2 × 13
= 26 sq.cm