In this excerpt from an upcoming math workbook, your junior detective will make a positive ID on obtuse, acute and right angles.

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

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!

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