Intro to Angles

What do we call lines that are arranged so they never cross, even if extended indefinitely?

• Perpendicular lines

• Divergent lines

• Intersecting lines

• Parallel lines

What is the term used for the point where two lines intersect?

• Vertex

• Intersection

• Junction

• Cross-section

What type of angle is formed when two lines intersect to create square corners?

• Straight angle

• Obtuse angle

• Acute angle

• Right angle

What symbol is used to indicate a right angle?

• A small square

• A small rectangle

• A small triangle

• A small circle

What are angles called that combine to form a right angle?

• Supplementary angles

• Complementary angles

• Adjacent angles

• Opposite angles

What type of angle is smaller than a right angle?

• Straight angle

• Obtuse angle

• Reflex angle

• Acute angle

If two angles combine to form a straight angle, what are they called?

• Supplementary angles

• Complementary angles

• Perpendicular angles

• Parallel angles

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

• Straight angle

• Obtuse angle

• Right angle

• Acute angle

What is the name given to lines that intersect to form right angles?

• Parallel lines

• Intersecting lines

• Perpendicular lines

• Cross lines

What is used to represent an angle in a simpler form on diagrams?

• A dot

• An arc

• A line

• A letter