Question

Find the length of the diagonal of a square of side 12 m.

Answer 1

Let ABCD be a square, where AB = BC = CD = AD = 12 m.

Now, ΔABC is a right triangle, right-angled at B. Here, AC is the diagonal of the square.

Applying Pythagoras theorem in right ΔABC, we have:

Hence, the length of the diagonal of the square is.