Question

Q6-Find the length of the side of a square if the length of its diagonal is 10 cm (up to 2 decimal
places).​

Answer 1

Length of diagonal is 10 cm

Let the length of side of a square is y cm

By Pythagoras theorem,(10) 2 =y 2 +y 2 100=2y 2 y 2 = 2100 =50y= 50 =5 2. So, the length of the side of square is 50 2 or 5.

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