Geometry Basic Vocabulary

What type of figure is shown?

• point

• line segment

• plane

• ray

Answer explanation

Remember- a point looks like a dot!

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Basic Geometry Vocabulary

Which is the correct way to name the figure shown?

• 
• 
• 
• 

Answer explanation

Rays extend in one direction and are always named endpoint first!

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Basic Geometry Vocabulary

Whay type of figure is shown?

• plane

• line segment

• opposite rays

• point

Answer explanation

Opposite rays look like a line, don't they?

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Basic Geometry Vocabulary

What is the correct way to name the figure shown?

• 
• 
• 
• 

Answer explanation

Remember- rays are named with the endpoint listed first. Opposite rays have the same endpoint and move in opposite directions.

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Basic Geometry Vocabulary

How many points do you need to say that points are collinear?

• 2

• 3

• 4

• 1

Answer explanation

Any TWO points will create a line, so we need to have at least THREE points to list them as collinear.

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Basic Geometry Vocabulary

Which of the following is a correct way to name the plane shown?

• plane J

• plane GRP

• plane DRP

• plane JDG

Answer explanation

P alone could be used to name the plane, since it is an upper case cursive letter. Otherwise, three NON-COLLINEAR points are needed to name a plane.

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Basic Geometry Vocabulary

What figure is used to define a specific location in space?

• line

• point

• ray

• line segment

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Basic Geometry Vocabulary

Two planes intersect at a.......

• point

• line segment

• line

• plane

Answer explanation

Two planes intersect at a line.

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Basic Geometry Vocabulary

The set of all points in a plane that lie the same distance from a single point in the plane is a

• plane

• circle

• space

• line

What is it called when points lie on the same line.

• Midpoint

• Coplanear

• Segment Bisector

• Collinear