Question 956175: The diagonal of a small square tabletop is 30 inches long. What is the length of each side of the tabletop in inches?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! The diagonal of a small square tabletop is 30 inches long. What is the length of each side of the tabletop in inches?
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Draw the square ; draw the diagonal (label it 30 inches)
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Label the sides: s, s, s, s
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Use Pythagoras to solve for "s"::
s^2 + s^2 = 30^2
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2s^2 = 900
s^2 = 450
s = sqrt(450) = sqrt(2*225)) = 15sqrt(2)
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Cheers,
Stan H.
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