Trig
posted by Jill on .
If I have a triangle with the hypotenuse side as 7, and the opposite side as 3, how would I find the angle? (This is a right triangle.)
......III
.....IIII
.7..IIIII
...IIIIII..3
..IIIIIII
_IIIIIIII<90 degrees
Find this angle

Use the Pythagorean theorem.
c^2 = a^2 + b^2
b^2 = 49  9 = 40
b = ?