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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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