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There is a right triangle with the hypotenuse as r , the angle as 45 degrees and opposite side as 20.

I am having a hard time finding this out. I had tan 45 = 1.61 20(1.61) = 32.4 but this is wrong.

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find the lengths of two other sides if the hypotenuse of a 45 degree -45 degree -90 degree triangle is 7. rationalize the denominator

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