find a digonal of a square whose side is 9 cm
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Answer:
side of a square =9 cm
diagonal is the hypotenuse of 9 cm in a square
by Pythagoras theorem, diagonal
√9²+9²=√81×2
=9√2cm
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Answer: The diagonal of a square whose side is 9 cm is 9√2cm
Step-by-step explanation:
Given,
side of a square =9 cm
Diagonal is the hypotenuse of 9 cm in a square
We have to find the diagonal of the square whose side is 9 cm
By using the Pythagoras theorem, diagonal
√9²+9²=√81×2
=9√2cm
Hence, we get the diagonal of a square whose side is 9 cm is 9√2cm
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