Introduction to Proof — Unit test Answers

Two parallel lines are intersected by a third line so that angles 1 and 5 are congruent.

A horizontal line contains points A, C, B. 2 lines extend from point C. A line extends to point E and another line extends to point D. An arc represents angle A C D.

Point G lies between points F and H on .

The definition of a circle uses the undefined term _______.