Question

solve for r

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.

Answer 1

Error

Answer 2

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