Geometry Reasoning and Proof

• m∠SQP=120, 
  m∠PQR=60
• m∠SQP=120, 
  m∠PQR=120
• m∠SQP=60, 
  m∠PQR=60
• m∠SQP=60, 
  m∠PQR=120

Part of a line. Has two endpoints and includes all of the points in between.

• Point

• Angle

• Line

• Line Segment

Part of a line. Has one endpoint and continues on forever in one direction.

• Line Segment

• Line

• Ray

• Point

What is the term for a part of a line with two endpoints?

• point

• ray

• angle

• line segment

What is a line segment?

• Part of a line with 2 endpoints

• Part of a line that has 1 endpoint

• Part of a line with 0 endpoints

• Part of a line with 5 endpoints

A line is named by...

• Any 2 points on the line, or a lowercase script letter.

• Any 3 points on the line.

• Any 1 point on the line.

• Any 3 points on the line, or a uppercase script letter.

A plane is named by...

• Any 1 point on the plane.

• Any 3 collinear points on the plane or a lowercase script letter.

• Any 3 non-collinear points on the plane or an uppercase script letter.

• All points on the plane that aren't part of a line.

Name 4 collinear points

• HMNO

• IKNO

• MJOL

• HNKI

A line that contains point M.

• Line q

• Line p

• Line r

• Line NH

An example of 2 non-collinear points.

• D, E

• C, B

• M, E

• F, B