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Course: Math (NSDC) - Hinglish > Unit 10
Lesson 5: Triangles part 1- Identify medians and altitudes
- Angles in a triangle sum to 180° proof (Hindi)
- Triangle exterior angle example (Hindi)
- Worked example: Triangle angles (intersecting lines) (Hindi)
- Triangle exterior angle property problems
- Finding angle measures using triangles
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Angles in a triangle sum to 180° proof (Hindi)
Learn the formal proof that shows the measures of interior angles of a triangle sum to 180°.
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