Question
What is the length of the side of a square of area 64 cm2?
Answer: Option B
:
B
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B
Area of a square = Side × Side
⇒ Side × Side = 64 cm2
When we look at the factors of 16,
64 = 64 x 1
64 = 32 x 2
64 = 16 x 4
64 = 8 x 8
Since the sides have to be equal, it has to be 8 cm long as 8 × 8 = 64
∴ Side will be 8 cm long.
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