Question

27.The length of a diagonal of a square of side 5 cms is

A) 5√2 B) 2√5 C) 10 cm D) 10√2 ​

Answer 1

Answer:

Option A is the answer

Here you go

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Answer 2

Answer:

A

Step-by-step explanation:

You can regard the square as two Isosceles Right Triangles.

The length of the diagonal is $\sqrt{2}$ times of the side

Therefore, the answer is $5\sqrt{2}$

Hope it helps :)