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| Math Central | Quandaries & Queries |
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Question from tim, a parent: is there a formula for finding the diagonal of a rectangle? |
Hi Tim,
If you draw the diagonal in a rectangle you create two identical (congruent) right triangles. If you know the lengths of the sides of the rectangle you can use Pythagoras Theorem to find the length of the hypotenuse which is the diagonal of the rectangle.
Penny
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