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I'm reading your question
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According to the Pythagorean theorem
Hypotenuse ^2 = Side 1 ^2 + Side 2 ^2
The hypotenuse is the case (Square 1 )
area of the sqaure= side of the square^2
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That means the area of 1 is = area of square 2 + area fo square3 (J is false)
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We are not sure about the relation between square 2 and 3 just the addition is the square 1 (F and H we have no certainty)
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G is true
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Answer
G