| What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?

A. 140

B. 480

C. 240

D. 440

### Right Answer is: A

#### SOLUTION

Let the length of the perimeter be l cm, then

2(l + b) = 48 cm

⇒l + 10 = 24

⇒l = 14 cm

Then, area of the rectangle = l × b

= 14 × 10

= 140 cm^{2}