Question

Which two-digit number is equal to the area and perimeter of a square?
A. 81
B. 16
C. 36
D. 12​

Answer 1

Answer :

option B. 16

Solution :

Area of a square = Perimeter of a square

a² = 4a

a = 4

a² = 4a = 4(4) = 16

Therefore, option (B) is correct.