Question

what is the diagonal of square whose side 11cm

Answer 1

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Formula for diagonal of a square,

$= \sqrt 2 a$

where 'a' = side

$= \sqrt 2 * 11$

$= 11 \sqrt 2 cm$

Answer 2

Hey there!

Diagonal of a square with side ' a ' units = √2a units .

Given,
Length of Side of square = 11 cms.

So,
Length of Diagonal of the square = √2 ( 11) = 11√2 cms