IXL Exterior angles of triangles
By A Mystery Man Writer
Description
Extending one side of a triangle creates an exterior angle. Learn more about exterior angles and their properties in this free interactive lesson!
![IXL Exterior angles of triangles](https://www.ixl.com/screenshot/39c652d38e2b9e210999ec8f7d7bd1cba7faa518.png)
IXL - Angle-side relationships in triangles (Geometry practice)
![IXL Exterior angles of triangles](https://i.ytimg.com/vi/pqAZGX0L2g0/sddefault.jpg)
IXL O.12 8th Grade Math Exterior Angle Theorem (FMP)
![IXL Exterior angles of triangles](https://www.ixl.com/screenshot/f94e33d07ffaada40488dd21f5ec70ea0800a1b0.png)
IXL, Checkpoint: Triangles and transversals
![IXL Exterior angles of triangles](https://www.ixl.com/screenshot/d4db8abe4f65ca32b1007af3a4455c574b1a7307.png)
IXL, Exterior angles: find angle measures
![IXL Exterior angles of triangles](https://www.ixl.com/screenshot/9b79ad47f07413bb2d2bd0f32f0be1fd60839b0b.png)
IXL Exterior angles of triangles
![IXL Exterior angles of triangles](https://au.ixl.com/screenshot/7dfac876f6ac9ad8e2e44dc351e88d3c142efb99.png)
IXL - Proofs involving triangles I (Year 10 maths practice)
![IXL Exterior angles of triangles](https://i.ytimg.com/vi/P-iFw_V-Mhg/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLDF2QyWGal-muK0MXfdR0J3BWml3A)
IXL Q.12 8th Grade Exterior Angle Theorem FMP
![IXL Exterior angles of triangles](https://www.ixl.com/screenshot/cced5b9f75f20e6f5f1ca684c859e999dee90f4f.png)
IXL - Proofs involving triangles I (Geometry practice)
![IXL Exterior angles of triangles](https://i.ytimg.com/vi/4KRrLl2W0pc/maxresdefault.jpg)
IXL F.4 Exterior Angle Inequality
IXL Exterior angles of triangles
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