Angle of Triangles
Goal: I Can... Apply the Triangle Angle-Sum Theorem.
Goal: I Can... Apply the Exterior Angle Theorem.
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Extra Resources
Video's
✻ Lesson 4.1 (Angles of Triangles)
✻ 4.1 - Angles of Triangles
✻ Lesson 4.1 - Triangles and Angles
✻ Exterior Angle Theorem For Triangles, Practice Problems - Geometry
✻ 4.1 Angles of Triangles
IXL
✻ UBU - F.2: Triangle Angle-Sum Theorem
✻ TGK - F.3: Exterior Angle Theorem
✻ G78 - N.9: Proofs involving triangles I
Khan Academy
✻ Find angles in triangles
✻ Find angles in isosceles triangles
✻ Finding angle measures using triangles
✻ Triangle exterior angle property problems
✻ Prove triangle properties
✻ Find angles in congruent triangles