Basic Geometric Terms

What is a quadrilateral?

• A polygon with four sides and vertices

• A polygon with three sides and vertices

• A polygon with five sides and vertices

• A polygon with six sides and vertices

What is an obtuse angle?

• An angle less than 90 degrees

• An angle equal to 90 degrees

• An angle greater than 90 degrees

• An angle equal to 180 degrees

What are complementary angles?

• Angles that add up to 90 degrees

• Angles that add up to 180 degrees

• Angles that add up to 270 degrees

• Angles that add up to 360 degrees

What are supplementary angles?

• Angles that add up to 90 degrees

• Angles that add up to 180 degrees

• Angles that add up to 270 degrees

• Angles that add up to 360 degrees

What are vertical angles?

• Angles that add up to 90 degrees

• Angles that add up to 180 degrees

• Angles that are opposite each other when two lines intersect

• Angles that are adjacent to each other

Identify one set of vertical angles.

Name this geometric image

• rays

• line

• line segment

• parallel lines

Which image is a piece or part of a line having two endpoints?

• 
• 
• 
• 

Vertical angles are...

• each of the pairs of opposite angles made by two intersecting lines

• two angles whose measures add up to 180 degrees

• two angles that share a common vertex and a common side

• two angles whose measures add up to 90 degrees

Which answer is the most precise name for this image?

• angles

• adjacent angles

• complementary angles

• suplementary angles