Undefined Terms
Basic Definitions
Segments
Other
100
An undefined term in Geometry. It names a location and has no size.
What is a point?
100

The way to name a line segment

What is by its Endpoints?

100

What is used to show that two segments are congruent?

What is a stroke or hashmark?

100

Geometry comes from the ancient Greek word "ge" meaning ________ and "metron" meaning ________ .

What is earth and measure?

200
An undefined term in geometry that is a straight path that has no thickness and extends forever.
What is a line?
200

The number of letters in the name of a plane

What is 3?

200

Two lines intersect to form a ...

What is a point?

200

Distance between two points on a number line

What is |x1-x2|?

300
An undefined term in Geometry, it is a flat surface that has no thickness and extends forever.
What is a plane?
300

Points that lie on the same line.

What is Collinear?

300

If B is between A and C with AC=28 and BC=10, this is the length of AB.

What is 18?

300

What is the symbol for congruent?

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400

A part of a line that starts at an endpoint and ends at another endpoint.

What is a line segment?

400

Geometric term for equal measure

What is congruent?

400
Two segments that have the same length.
What are congruent segments?
400

Points, A, B, C, and D are collinear, and in that order. What is AC - BC?


What is AB?

500

Of the undefined terms, what would the surface of a desk represent?

What is a plane?

500

Points that lie on the same plane.

What is coplanar?

500
Anumber used to identify the location of a point on a number line, coordinate plane or space.
What is a coordinate?
500

Given that AB = 8 and BC = 12, is AC necessarily 20? Explain your answer!

What is NO, because the given segments are not necessarily collinear.

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