Practice problem
Summary of Congruence Rules
By Liza Sulkin
Penny has a collection of pins, all of which are equilateral triangles. She wants to know if they are all congruent. What can she measure in each triangle to know whether congruence holds?
Practice problem
Penny has a collection of pins, all of which are equilateral triangles. She wants to know if they are all congruent. What can she measure in each triangle to know whether congruence holds?