Geometry Basics: Understanding Angles

What are lines that point in exactly the same direction and never cross called?

• Perpendicular lines

• Parallel lines

• Intersecting lines

• Curved lines

Tags

CCSS.HSG.CO.A.1

What is the point called where two lines cross?

• Angle

• Intersection

• Vertex

• Parallel

Tags

CCSS.HSG.CO.A.1

What type of angle is formed when intersecting lines create square corners?

• Obtuse angle

• Acute angle

• Right angle

• Straight angle

Tags

CCSS.4.G.A.1

What symbol is used to show that an angle is a right angle?

• An arc

• A circle

• A square

• A triangle

Tags

CCSS.4.G.A.1

What are angles called that are less than a right angle?

• Obtuse angles

• Parallel angles

• Straight angles

• Acute angles

Tags

CCSS.4.G.A.1

What is an angle called that is formed by two rays pointing in exactly opposite directions?

• Acute angle

• Straight angle

• Obtuse angle

• Right angle

Tags

CCSS.4.G.A.1

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

• Supplementary angles

• Complementary angles

• Perpendicular angles

• Parallel angles

Tags

CCSS.7.G.B.5

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

• Acute angles

• Parallel angles

• Complementary angles

• Supplementary angles

Tags

CCSS.7.G.B.5

What type of lines form right angles when they intersect?

• Perpendicular lines

• Parallel lines

• Curved lines

• Intersecting lines

Tags

CCSS.HSG.CO.A.1

How can angles be named in Geometry?

• By the colors of the lines

• By the size of the angle

• By the length of the lines

• By the points that form them