Question

Let A be the area of a square whose each side is 10 cm. Let B be the area of a square whose diagonals are 14 cm each. Then (A – B) is equal to

• A. 0
• B. 1
• C. 2
• D. 4

Answer 1

Answer:

C. 2

$A = 10^2 = 100 sq. cm.$

$B =\frac{1}{2}\times{14^2}=98$sq.cm

A – B = 100 – 98

= 2 sq. cm.