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!

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.

Students practice using the Pythagorean theorem to find missing hypotenuse lengths on right triangles in this eighth-grade geometry worksheet!

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

Introduce geometry learners to the Pythagorean theorem with this helpful one-page reference sheet!