Question

in a square of side is 10 cm ,calculate diagonal of square
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Answer 1

Answer:

20cm

Step-by-step explanation:

if one side of the square is 10cm then the other side will also be 10cm,using the pythagorean theorem the diagonal will be 10 multiply it by 2 you get 20

Answer 2

Answer:

$10 \sqrt{2}$

Step-by-step explanation:

$side = 10cm \\ \\ as \: per \: pythagoras \: theorum \\ diagonal = side \times \sqrt{2} \\ = 10 \times \sqrt{2 } = 10 \sqrt{2}$