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Triangle angle sum Practice
Find one missing triangle angle from two given angles.
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What you’ll practice
The interior angles of a flat triangle total 180 degrees. Subtract both known angles to recover the third.
Where this helps
Using a triangle’s angle sum.
Before you start
Use this topic to practice math you have already learned. The examples show the available kinds of recall tasks; this is not a complete textbook chapter. Check the answer form and any stated conditions.
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Start practicingTriangle angle sum
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