Question

Find length of a diagonal of a square whose side is 2cm.

Answer 1

Hope this may help you.
Please mark as brainliest

Answer 2

Answer:

2√2 cm

Step-by-step explanation:

We are given a square of side 2 cm

We are required to find the length of diagonal of square

Formula of length of diagonal:

$d=\sqrt{2} a$

Where a is the side of square

So, the diagonal of given square :

$d=\sqrt{2} \times 2$

$d=2\sqrt{2}$

Hence the length of a diagonal of a square whose side is 2cm is 2√2 cm