Acris Learning

Calculating distance between points and using it to prove isosceles, scalene, or equilateral triangles, congruent segments, or perimeter of a figure. Included: A 16 problem Worksheet An 8 problem Homework Two versions of a short quiz/exit ticket - 2 questions calculating perimeter and finding out whether segments are congruent using distance formula Answer keys included

This covers common theorems, postulates, and definitions pertaining to perpendicular lines. The last two pages have proofs that include complementary angle theorem and can be removed easily if students have not yet learned the material. There are many proofs at the end. Key included.