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

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

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

Test your knowledge of congruency as you find the missing measures in this geometry worksheet!

Practice solving problems using angle relationships with this seventh-grade geometry worksheet!

Students explore the relationships between the side lengths and angle measures of triangles in this seventh-grade geometry worksheet!

Get more practice solving problems using angle relationships with the second installment of this seventh-grade geometry worksheet! 

Use this one-page geometry handout to help students determine angle relationships with confidence and ease!

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

Does your child need a little more practice finding the area of a triangle? This worksheet will give them all the practice they need!

Give your students targeted practice finding the area of a triangle in this focused geometry worksheet.

Analyze angle relationships with this seventh-grade geometry worksheet!

Get more practice finding the measures of missing interior and exterior angles of triangles with this geometry worksheet!

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

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

Use this one-page guided notes template to help learners cement their understanding of angle relationships!

Strengthen your knowledge of angle relationships with this helpful seventh-grade worksheet!

Find missing angles and side lengths in this tricky geometry worksheet!

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

Know a good geometry detective? Challenge your student to use the formula for calculating the area of a triangle.

Master congruent figures in this eighth-grade geometry worksheet!

Give students practice finding the area of triangles using the area formula with this sixth- and seventh-grade geometry worksheet!

Give students extra practice finding the area of triangles using the area formula with this sixth- and seventh-grade geometry worksheet!

Brush up on complementary, supplementary, vertical, and adjacent angles with this helpful worksheet for seventh graders!

Give your fourth grader a gentle introduction to geometry with this charming triangle area worksheet.

Learners sleuth out the area of three triangles in this helpful geometry worksheet.

Learners sleuth out the area of three triangles in this simple geometry worksheet.

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

Practice using the converse of the Pythagorean theorem to identify right triangles with this eighth-grade math worksheet!