the square of a diagonal of a square is 128 cm sq . find the side of a square
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Let the side of a square = a cm
diagonal ( d² ) = 128 cm
=> 2 a² = 128
=> a² = 128/2
=> a² = 64
=> a = 8 cm.
Therefore ,
Side of the square ( a ) = 8 cm
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Hey there!
Answer:
8 cm
Step-by-step explanation:
Given,
Square of Diagonal of square = d² = 128
(√2a)² = 128
2 a² = 128
a² = 128/2
a² = 64
a = √64
a = 8 cm
Hence, the side of square is 8 cm.
Hope iT Helps you!