Geometry Notes #: Section 3.5: Parallel Lines and Triangles Objective: Triangle Angle-Sum Theorem: Example 1) Solve for x, y, and z in the figure below Example 2) What are the values of x and y in the diagram. Example 3) How many distinct triangles are represented in the diagram above? Exterior angle: angle formed by a side and an extension of an adjacent side. Remote interior angles: 2 nonadjacent interior angles corresponding to each exterior angle of a triangle Example 4) What is the measure of ? Triangle Exterior Angle Theorem Geometry Notes #: Section 3.5: Parallel Lines and Triangles Objective: Example 5) What is the measure of angle 2? Example 6) Example 7) Find the values of the variables and measures of the angles from the diagram below.
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