Geometry Terms for Unit 1

A straight path with no beginning or end is a...

• ray

• line

• plane

• angle

Two rays that meet at a common end point are called an...

• point

• line

• angle

• line segment

Part of a line that has a beginning, but no end is called a...

• line segment

• ray

• angle

• plane

A flat surface is called a...

• plane

• line

• point

• ray

Part of a line that has a beginning and an end is called a...

• ray

• plane

• angle

• line segment

A specific location in space is called a...

• line

• point

• line segment

• ray

Use geometric terms to describe what is shown.

• plane

• parallel lines

• perpendicular lines

• point

Two lines intersect at a ....

• angle
• point
• line
• intersection

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.

Two planes intersect at a...

• line
• point
• plane
• letter