Types of Angles and Lines

What is a ray?

• A part of a line that has one endpoint and goes on endlessly in one direction.

• A straight line that connects two points.

• A line that has two endpoints and does not extend indefinitely.

• A curve that bends in one direction.

What is a vertical angle?

• Angles that are adjacent to each other when two lines intersect.

• Angles that are opposite each other when two lines intersect.

• Angles that are supplementary to each other.

• Angles that are complementary to each other.

What are parallel lines?

• Lines that never meet and are always the same distance apart.

• Lines that intersect at a right angle.

• Lines that meet at a single point.

• Lines that curve away from each other.

What is a supplementary angle?

• Two angles that add up to 180 degrees.

• Two angles that add up to 90 degrees.

• Two angles that are equal in measure.

• Two angles that are adjacent to each other.

What is a transversal?

• A line that crosses two or more other lines.

• A type of angle formed by two intersecting lines.

• A line that runs parallel to another line.

• A line that connects the midpoints of two sides of a triangle.

What do you call an angle that is exactly 180 degrees?

• Acute angle

• Obtuse angle

• Straight angle

• Right angle

What type of angle is exactly 90 degrees?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

What type of angle is more than 90 degrees but less than 180 degrees?

• Acute angle

• Right angle

• Obtuse angle

• Straight angle

What is the sum of angles in a triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

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

• Line segment

• Ray

• Line

• Point