find Perimeter of square if it's diagonal is 10√2cm|10th|PoliceBharti|@PrafullaCoachingClasses

#find the perimeter of square if it's diagonal is 10√2 cm
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[contemporarilyancient]

Let the sides = x
Sqrt(x² + x) = 10sqrt(2)
xSqrt(2) = 10sqrt(2)
x = 10

P = 4x
P = 40