Question

find the diagonal of square if side is 12cm​

Answer 1

Answer:

12 * 2^1/2

Step-by-step explanation:

Imagine a square of 12 cm length.

square has right angle at every corner.

now draw a diagonal. this forms a isosceles right angle triangle.

find hypotenuse length using pythgorean theorem.

(144 + 144)^1/2 = 12 * 2^1/2

the hypotenuse formed is our diagonal.

answer is 12 root 2