## Elementary Technical Mathematics

Published by Brooks Cole

# Chapter 12 - Section 12.1 - Angles and Polygons - Exercise: 6

acute

#### Work Step by Step

We know that an angle is a right angle if it is 90 degrees. An angle is acute if it is less than 90 degrees, while it is obtuse if it is between 90 and 180 degrees. In this problem, this gives us our answer since the angle is less than $90^o$.

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