Question

7.
The diagonal of a square is 12 cm long; find
length of one side.​

Answer 1

Formula of diagonal of a square =a*square root of 3(a is the side of the square)

a*square root of 3 =12

a=12÷square root of 3

square root of 3=1.73

a=12÷1.73

=6.93

Ans) Length of one side of the square is 6.93cm

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Answer 2

Answer:

In a square ,

2 × diagonal ² = 4 × side ²

diagonal = 12 cm

2×144 = 4× s²

144 = 2×s²

s² = 72

s = √72

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