The diagonal of a square is 4√2 cm. The diagonal of another square whose area is double that of the first square, is:

The diagonal of a square is 4√2 cm. The diagonal of another square whose area is double that of the first square, is:

A 8 cm

B 8√2 cm

C 4√2 cm

D 16 cm

Solution

Correct Answer: Option A

Simply multiply with 2.

[Note: Isolated trick for this particular math only]