Side of a square is 10cm.Find it's diagonal
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Answer: 10 root 2
Step-by-step explanation:
Diagonal of a square = (a²+a²)½
= (100+100)½
= 200½=10(2½)
Answered by
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Answer:10√2
Step-by-step explanation:
Sides of square are equal .
All sides=10cm
By Pythagorean theorem
10²+10²=(Diagonal)²
Diagonal =√200
=10√2
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