Q1 of 45 Page 43

Some questions and their alternative answers are given. Select the correct alternative.

Find perimeter of a square if its diagonal is 10 2 cm.


We know that,


Diagonal of a square = √2 a


Where 'a' is the side of the triangle.


⇒ √2 a = 10√2


⇒ a = 10 cm


Also, we know


Perimeter of square = 4a


Where 'a' is the side of the triangle


∴ Perimeter of given square = 4(10) = 40 cm

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