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| Math Central | Quandaries & Queries |
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Question from niniha, a student: the perimeter of a rectangle is 68cm.if the diagonal is 26, find its dimensions |
Hi,
Step one. Draw a diagram.
Since the perimeter is 68 cm what is $a + b?$
Triangle $PQR$ is a right triangle. What does Pythagoras theorem tell you?
Solve for $a$ and $b.$
Penny
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