Topic 1: Foundations of Geometry

What is the term for a pair of adjacent angles that are formed when two lines intersect?

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles

How many noncollinear points are needed to name a plane?

• 1

• 2

• 3

• 4

What is the term for a location in space represented by a dot?

• Point

• Line

• Plane

• Angle

What are the arrows pointing to in a ray?

• Endpoints

• Midpoints

• Vertices

• Intersections

What is an angle that measures exactly 90 degrees?

• Acute Angle

• Obtuse Angle

• Right Angle

• Straight Angle

What are two rays that have a common endpoint and form a line?

• Adjacent Rays

• Complementary Rays

• Opposite Rays

• Supplementary Rays

What is the point that divides a segment into two equal parts?

• Midpoint

• Endpoint

• Intersection

• Vertex

Which of the following is named by a lower case letter? (point, line, segment, ray, plane)

• point

• line

• segment

• ray

What is a part of a line that has one endpoint and extends infinitely in one direction?

• Line

• Segment

• Ray

• Plane

What is a straight path that extends infinitely in both directions?

• Line

• Ray

• Segment

• Curve