Students use the Exterior Angle Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.

Students use the Triangle Angle-Sum Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.

Model how to find a missing exterior angle with this eighth-grade geometry worksheet!

Turn your child into a geometry detective! How many degrees is each missing angle in these quadrilaterals?

How much does your child know about triangles? Can they figure out the missing angle in each of these triangles?

In this eighth-grade geometry worksheet, students learn about parallel lines cut by transversals and practice identifying different types of angle pairs using given diagrams.

Help students hone their knowledge of different angles with this eighth-grade geometry worksheet about parallel lines cut by a transversal.

Students practice using the converse of the Pythagorean theorem to identify right triangles with this geometry worksheet!

This eighth-grade geometry worksheet introduces students to the Triangle Angle Sum Theorem and has them practice finding a missing interior angle in a triangle.

Help your students explore angle relationships and transversals of parallel lines with this eighth-grade geometry worksheet! 

Find the measures of missing interior and exterior angles of triangles with this geometry worksheet!