find the peremiter of square whose diagonal is 10cm
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Answer:
20✓2
Explanation:
diagonal of a square =✓2a
where
a=side
10=✓2a
a=10/✓2
a=5✓2cm
perimeter of a square=4a
=4×5✓2
=20✓2
perimeter of a square=20✓2cm
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