Question

1. A rectangle has an area of 12 m2 and a width

of 400 cm. What is the length of the rectangle?
A. 3 cm
B. 30 cm
C. 300 cm
D. 3000 cm

Answer 1

L = 3 cm

Explanation:

let lenght be L

First convert area in cm

1 m = 100 cm

12 m = 1200 cm

Area of rectangle = width x lenght

1200 cm = 400 cm x L

1200 /400 = L

3 cm = L