Exterior Angle Theorem Worksheet
Practice problems for understanding and applying the Exterior Angle Theorem in triangles.
Includes
Standards
Topics
Exterior Angle Theorem
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work for full credit.
1. In your own words, explain the Exterior Angle Theorem.
2. The exterior angle of a triangle is equal to the sum of which two angles?
The two adjacent interior angles
The two opposite interior angles
One adjacent and one opposite interior angle
All three interior angles
3. In the triangle below, find the measure of the exterior angle x.
4. A triangle has interior angles measuring 45° and 85°. What is the measure of the exterior angle adjacent to the third interior angle?
5. The sum of the interior angles of any triangle is always degrees.
6. An exterior angle and its adjacent interior angle form a pair, meaning their sum is 180 degrees.
7. In a triangle, one exterior angle measures 130°. If one of the remote interior angles is 75°, what is the measure of the other remote interior angle?
Related Worksheets
Exploring Hexaflexagons
A worksheet for 7th graders to explore the geometry and properties of hexaflexagons through questions and drawing exercises.
Finding Missing Sides (Grade 7)
Practice worksheet for 7th graders on finding missing sides of geometric shapes using various methods.
Area of Irregular Figures - Grade 7 Math
Calculate the area of various irregular figures by decomposing them into simpler shapes. Aligned with Grade 7 Geometry standards.
Angle Pair Relationships Worksheet
Explore and identify various angle pair relationships including complementary, supplementary, vertical, and adjacent angles.
Cartesian Coordinates Worksheet
Practice identifying, plotting, and analyzing points on the Cartesian coordinate plane.
Triangle Segments Exploration
Explore different types of segments within triangles including medians, altitudes, angle bisectors, and perpendicular bisectors.
Grade 7 Spatial Reasoning Worksheet
A worksheet for 7th graders to practice spatial reasoning skills through identifying 3D shapes, transformations, and visualizing cross-sections.
Segment Length Practice Worksheet
Practice worksheet for 7th grade math students focusing on measuring and calculating segment lengths.