What is the area of a square whose side is double the side of another square with an area of 100m2 ?

200 m2

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400 m2

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50 m2

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25 m2

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Solution

The correct option is B 400 m2
Given: Area of first square =100m2
Side of first square = $\sqrt{A r e a o f s q u a r e} = \sqrt{100} = 10 m$
Side of second square = Double the side of first square = 2(10) = 20 m
Area of second square = Side2 = 202 = 400 m2
Therefore, the area of second square is 400 m2.

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What is the area of a square whose side is double the side of another square with an area of 100m2 ?

The correct option is B 400 m2Given: Area of first square =100m2 Side of first square = √Area of square=√100=10 m Side of second square = Double the side of first square = 2(10) = 20 m Area of second square = Side2 = 202 = 400 m2 Therefore, the area of second square is 400 m2.