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OpenStudy (anonymous):
the diagonal of a rectangle measures 45 cm. the width of the rectangle is 27 cm. find the length of the rectangle.
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OpenStudy (anonymous):
you have a right angle triangle here with hypotenuse=45cm. thus \[c^2=a^2+b^2\]\[l^2=(45)^2-(27)^2=1296\]\[l=36\]
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