Find the diagonal of a square whose side is 10 cm.
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Answer:
diagonal= 10 root 2
Step-by-step explanation:
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The side of square is 10 cm
In right angled △ABD
AB²+AD²=BD²
[according to Pythagoras theorem]
(10)²+(10)²=BD²
100+100=BD²
BD² =200
BD=10² cm
∴ Diagonal of square =10√2 cm
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