Euclidean Geometry — Unit test Answers

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Which best describes the dimensions of a line?

A line has zero dimensions because it represents a location on the coordinate plane.

A line has one dimension because it is made up of all points that extend infinitely in either direction.

A line has two dimensions because it is made up of three noncollinear points.

A line has multiple dimensions depending on how many labeled points it contains.

Which undefined term is used to define an angle?

line

plane

point

ray

Point M lies between points L and N on .

16 units

40 units

48 units

64 units

If PR = 4x – 2 and RS = 3x – 5, which expression represents PS?

x – 7

x – 3

7x – 7

7x + 3

Which is the definition of a line segment?

a figure formed by two rays that share a common endpoint

the set of all points in a plane that are a given distance away from a given point

a part of a line that has one endpoint and extends indefinitely in one direction

a part of a line that has two endpoints

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