Exterior Angle TheoremVideos, worksheets, games and acivities to help Geometry students learn about the isosceles triangle theorem.
Exterior Angles If one side of a triangle is extended beyond the vertex, an exterior angle is formed. This exterior angle is supplementary with its adjacent, linear angle. Since the angle sum in a triangle is also 180 degrees, the exterior angle must have a measure equal to the sum of the remaining angles, called the remote interior angles. How to define exterior angles and their remote interior angles and how to prove their properties.
Exterior Angle Theorem This video explains the exterior angle theorem of geometry. The theorem is used to work out some applications in finding angles of a triangle.
The Exterior Angle Theorem Students learn the exterior angle theorem, which states that the exterior angle of a triangle is equal to the sum of the measures of the remote interior angles. Students are then asked to solve problems related to the exterior angle theorem using Algebra.
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