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Course: Get ready for Geometry?>?Unit 1
Lesson 6: Triangle angles- Angles in a triangle sum to 180° proof
- Find angles in triangles
- Isosceles & equilateral triangles problems
- Find angles in isosceles triangles
- Triangle exterior angle example
- Worked example: Triangle angles (intersecting lines)
- Worked example: Triangle angles (diagram)
- Finding angle measures using triangles
- Triangle angle challenge problem
- Triangle angle challenge problem 2
- Triangle angles review
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Finding angle measures using triangles
Problem
What is the measure of ?
Angles are not necessarily drawn to scale.
Angles are not necessarily drawn to scale.