if the length of a diagonal of a square is 20 CM then its perimeter is
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I think the answer may be 80 since the diagonal is equal to the side of a square according to my thinking.
neeraj87:
u r nt right kkk
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diagonal of square = √(2)side
20= √(2) side
side= 10 √(2)
Perimeter = 4×side = 4×10 √(2)
= 40 √(2)
20= √(2) side
side= 10 √(2)
Perimeter = 4×side = 4×10 √(2)
= 40 √(2)
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