3.2 Connections to Algebra

Question 1

Postulate 13 (Parallel Postulate)

Answer 1

If there is a line and a point not on the line, then there is exactly one line through the point parallel to the given line.

Question 2

Postulate 14 (Perpendicular postulate)

Answer 2

If there is a line and a point not on the line, then there is exactly one line through the point perpendicular to the given line.

Question 3

Postulate 12

Answer 3

If two distinct lines intersect, then their intersection is exactly one point.