Play with this applet to discover how to find the missing complementary angle. Scroll to the bottom of this page if you need help.

Duane Habecker, Created with GeoGebra

HELP

Since complementary angles have a sum of 90°, you just need to subtract the given angle from 90. The difference is the missing angle.

 Self-Check

Q1: What is the measure of the missing angle?

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Q2: What is the measure of the missing angle?

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Q3: What is the measure of the missing angle?

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