IXL Exterior angles of triangles

Extending one side of a triangle creates an exterior angle. Learn more about exterior angles and their properties in this free interactive lesson!

8.G.5 Angle Relationships - STRICKLER WMS

A side of the triangle below has been extended to form an exterior angle of 121. Find the value of x

These no-prep exterior angles of triangles worksheets include two differentiated and leveled versions. Students practice using the exterior angle

Exterior Angles of Triangles - Exterior Angle Theorem Differentiated Worksheets

IXL - Prove the triangle angle sum theorem (Geometry practice)

IXL, Find missing angles in triangles

IXL - Checkpoint: Triangle similarity and congruence (Geometry practice)

IXL Interior angles of triangles

Exterior Angles of Triangles (variables on both sides) by Managing Mathematics

Exterior and interior angles of a triangle

IXL Similar triangles

IXL, Exterior angles: find angle measures

IXL Interior angles of triangles

IXL - Exterior angles of polygons (Geometry practice)

Triangle Exterior Angle – GeoGebra

IXL - Angle-side relationships in triangles (Geometry practice)