You can put this solution on YOUR website! a square has a diagonal length of 7 cm. find the area
Draw the picture of the square with its diagonal.
Use Pythgoras to get:
side^2 + side^2 = diagonal^2
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2s^2 = 7^2
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s^2 = 49/2 = 24.5
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But s^2 is the area
So Area = 24.5 cm^2
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Cheers,
Stan H.
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