### Home > PC > Chapter 1 > Lesson 1.4.1 > Problem 1-138

1-138.

A right triangle has legs of lengths

Find the measure of the angle opposite the shorter side.

Make a sketch. What is the angle opposite the shorter side? What trig function involves this angle and the opposite and ajacent sides of it?

Find the measure of the angle opposite the longer side.

Follow a similar process as (a) above.