Question

By how much is the area of a rectangle of 5x3 cm is decreased when its longer side is decreased by 3 cm?
(A) 2.28 sq. cm
(B) 9 sq. cm
(C) 19.8 sq. cm (D) None of these

Answer 1

Answer:

(B)

Step-by-step explanation:

area of rectangle= l×b

5×3=15

2. when longer side is decreased Area=(5-3)×3=6

decreased area= 15-6=9