Angle Sums of a Triangle and Exterior Angles of Triangles

Angle Sums of a Triangle  and Exterior Angles of Triangles
Angle Sums of a Triangle  and Exterior Angles of Triangles
Angle Sums of a Triangle  and Exterior Angles of Triangles
Angle Sums of a Triangle  and Exterior Angles of Triangles
Angle Sums of a Triangle  and Exterior Angles of Triangles
Angle Sums of a Triangle  and Exterior Angles of Triangles
Angle Sums of a Triangle  and Exterior Angles of Triangles
Angle Sums of a Triangle  and Exterior Angles of Triangles
Subject
Grade Levels
Resource Type
File Type

PDF

(625 KB|7 pages)
Product Rating
Standards
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  • StandardsNEW

This worksheet covers: sum of the angles of a triangle, exterior angle is equal to sum of two opposite interior angles and supplementary angles. Some are "find the missing angle'" and you must solve for "X" in many of the problems. The worksheet includes the rules for the student to have as a reference.

TEKS 8.8D

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Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles. For example, arrange three copies of the same triangle so that the sum of the three angles appears to form a line, and give an argument in terms of transversals why this is so.
Total Pages
7 pages
Answer Key
Not Included
Teaching Duration
N/A
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