Free online math practice
Angle relationships Practice
Find complementary, supplementary and vertical angles from one given angle.
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What you’ll practice
A right angle totals 90 degrees; a straight angle totals 180. Decide which relationship applies before subtracting.
Where this helps
Recognizing simple angle relationships.
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 practicingAngle relationships
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- Progress stays on this device.