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

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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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