Geometry Vocabulary Review

One fixed endpoint and extends infinitely along the line from the endpoint.

• array

• line segment

• ray

• line

Which word does the figure above model?

• array

• line segment

• ray

• line

Which choices best model and name being an equal distance apart without ever touching?

• 
• parallel lines

• 
• 
• perpendicular lines

Which choices best model and name lines being at a right angle to each other?

• perpendicular lines

• 
• parallel lines

• intersecting lines

• 

An acute angle is

• the angle formed by two perpendicular lines

• an angle that measures 180 degrees

• an angle more than 90 degrees but less than 180 degrees

• an angle less than 90 degrees

When lines meet or cross at some point they are called

• interior

• parallel

• intersecting

• perpendicular

Which choices best describe and model an obtuse angle?

• measures 90 degrees

• 
• measures more than 90 degrees but less than 180 degrees

• 

A polygon is

• a closed figure with 3 or more straight sides

• a closed figure

• an four-sided figure

• a circle

I have four sides, what am I?

• I am a triangle.

• I am a non-polygon.

• I am a quadrilateral.

• I am a hexagon.

A quadrilateral with 2 sets of equal sides and different lengths without 90 degree angles-select 2 choices

• 
• parallelogram

• 
• 
• rhombus