length of a diagonal of a square is 15 root 2 cm. Find its perimeter.
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Answered by
2
Answer:
60 cm
Step-by-step explanation:
let diagonal be d and side be x.
d=15√2 cm
by Pythagoras theorem,
x²+x²=d²
2x²=(15√2)²
2x²=225*2
x²=225
x=15 cm
therefore perimeter of square is
p = 4x=4*15=60 cm
Answered by
1
Answer:
perimeter is 60 cm
Step-by-step explanation:
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