Question

Find the diagonal of a square whose side is 9cm

Answer 1

The diagonal of a square whose side is 9 cm is 9√2 cm

Given :

A square of side 9 cm

To find :

The length of the diagonal of the square

Formula :

For square of side a unit the length of diagonal of the square = a√2 unit

Solution :

Step 1 of 2 :

Write down the side of the square

The square is of side 9 cm

Side = a = 9 cm

Step 2 of 2 :

Find length of the diagonal of the square

The length of the diagonal of the square

= a√2 cm

= 9√2 cm

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