## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 10 - Geometry - Chapter Summary, Review, and Test - Review Exercises - Page 680: 10

#### Answer

$17^o$

#### Work Step by Step

Complementary angles have a sum of 90 degrees. Thus, the complement of a $73^o$ angle is: $=(90-73)^o \\=17^o$

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