Math

Triangle Angle Calculator

Find the third angle of a triangle.

Parameters Live Compute
Calculated Output
Third angle (°) 70
Formula: third = 180 − angle1 − angle2
Step-by-Step Breakdown
1. Values used:
2. Angle 1 = 50 °
3. Angle 2 = 60 °
4.
5. Third angle = 70°
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The angles of any triangle sum to 180°.

The math behind it

third angle = 180° − the other two angles.

Worked Example

50° + 60° → third 70°.

Frequently Asked Questions

Negative result?

Then the first two angles are impossible for a triangle.

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