Question

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Answer 1

Answer:

10√2 cm

Step-by-step explanation:

Here, two sides with diagonal form a right angle

And Diagonal=√(10²+10²)

. = √200 = 10√2 cm

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Answer 2

Answer:

$diagonal \: of \: square \: = side \times \sqrt{2}$

$diagonal \: of \: square \: whose \:side \:$

$is \: 10 \: cm \: = 10 \times \sqrt{2} = 10 \sqrt{2}$