Question

the diagonal of a sqre of side is 10 cm is ....​

Answer 1

Answer:

10√2

Step-by-step explanation:

a= 10

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it forms a triangle when we divide square by diagonal .

by Pythagoras theorum:-

diagonal= √a^2+ a^2

= √100+100

=. √200

=10√2

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Answer 2

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