# Chapter 8 - Geometry - 8.2 Angles and Their Relationships - 8.2 Exercises: 4

$\angle$MWN and $\angle$FRG $\angle$POC and $\angle$QOC

#### Work Step by Step

The angles $\angle$BOA and $\angle$COB are complementary angles. $\angle$BOA + $\angle$COB = 31$^{\circ}$ + 59$^{\circ}$ = 90$^{\circ}$ The angles $\angle$POC and $\angle$QOC are complementary angles. $\angle$POC + $\angle$QOC = 45$^{\circ}$ + 45$^{\circ}$ = 90$^{\circ}$

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