the square of a diagon of a square is 128cm2. find the side of square?
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Hi ,
Let a and d are side and diagonal of
a square .
d² = 128 cm² ( given )---( 1 )
We know that ,
√2 a = d
Do the square both sides of the
equation .
2 a² = d²
2a² = 128 cm² [ from ( 1 ) ]
a² = 128 /2
a² = 64
a = √64
a = 8 cm
Therefore ,
Side of the square = a = 8 cm
I hope this helps you.
:)
Let a and d are side and diagonal of
a square .
d² = 128 cm² ( given )---( 1 )
We know that ,
√2 a = d
Do the square both sides of the
equation .
2 a² = d²
2a² = 128 cm² [ from ( 1 ) ]
a² = 128 /2
a² = 64
a = √64
a = 8 cm
Therefore ,
Side of the square = a = 8 cm
I hope this helps you.
:)
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