Full Lesson with links to worksheets. Constructing triangles is a fun and interesting activity that involves using tools like a ruler, compass, and protractor to create different types of triangles. A ...

Master geometric proofs and triangle side properties with this ready-to-print geometry resource pack! This Congruent Triangles Pack provides structured worksheets covering triangle inequalities, third ...

Prove two triangles are congruent by showing they satisfy one of four criteria. Find missing lengths by using the scale factor. The relationship between similar shapes may be expressed as a ratio.