Question

A fence around a rock garden is the shape of a right triangle.two angles measure 30 and 60 degrees.two sides measure 10 feet and 17.3 feet. The total length of the fence is 47.3 feet. How long is the side opposite the right angle

Answer 1

All you gotta do is add up the two sides and then subtract it from 47.3 .
So 10+17.3= 27.3
47.3-27.3= 20