Find the missing angle in a triangle using addition and subtraction.

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

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

Model how to find a missing exterior angle with 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.