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Euclidean Geometry — Unit test Answers

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Which best describes the dimensions of a line?

A
A line has zero dimensions because it represents a location on the coordinate plane.
B
A line has one dimension because it is made up of all points that extend infinitely in either direction.
C
A line has two dimensions because it is made up of three noncollinear points.
D
A line has multiple dimensions depending on how many labeled points it contains.
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Which undefined term is used to define an angle?

A
line
B
plane
C
point
D
ray
23

Point M lies between points L and N on .

Question illustration
A
16 units
B
40 units
C
48 units
D
64 units
24

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

Question illustration
A
x – 7
B
x – 3
C
7x – 7
D
7x + 3
25

Which is the definition of a line segment?

A
a figure formed by two rays that share a common endpoint
B
the set of all points in a plane that are a given distance away from a given point
C
a part of a line that has one endpoint and extends indefinitely in one direction
D
a part of a line that has two endpoints

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