find the perimeter and the side of a square where length of a diagonal is 40 cm
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Step-by-step explanation:
lenght of diagonal =40 cm
a√2=40
a=40/√2
a=20√2cm
hance, perimeter of square=4×a =4×20√2
=80√2 = 80×1.414(approx.)
=113.12 cm(approx.)
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