Defining Terms

Question 1

Which defines ray?

Revolt · Accepted Answer

D: a piece of a line that starts at the endpoint and extends indefinitely in one direction

Question 2

Analyze the diagram to answer the questions.

Revolt · Accepted Answer

Another way to name SAC would be .: CAS; A point on ray AS is .: T; and create .: RAB

Question 3

Analyze the diagram to answer the questions. Another way to name SAC would be . A point on ray AS is . and create .

Revolt · Accepted Answer

C: CAS

Question 4

Which statements are true? Select three options.

Revolt · Accepted Answer

A: and are parallel.; C: and are perpendicular.; E: lies in plane X.

Question 5

The undefined terms line and plane are needed to precisely define which mathematical term?

Revolt · Accepted Answer

C: parallel lines

Question 6

Which statements are true regarding the diagram? Check all that apply.

Revolt · Accepted Answer

B: is contained on line m.; D: Ray AD is the same as ray AC.; F: ∠ECB is created from and .

Question 7

The definition of parallel lines requires the undefined terms line and plane, while the definition of perpendicular lines requires the undefined terms of line and point. What characteristics of these geometric figures create the different requirements?

Revolt · Accepted Answer

Parallel lines do not intersect.
Parallel lines must be coplanar.
Perpendicular lines intersect at one point.
Perpendicular lines intersect  so plane is not required in the definition.

Question 8

Which geometric figures are drawn on the diagram? Check all that apply.

Revolt · Accepted Answer

A: ; B: ; D: ; F: ∠BCE

Question 9

Explain how rays AB and AC form both a line and an angle.

Revolt · Accepted Answer

Rays AB and AC share a common vertex at point A, which forms an angle (specifically a straight angle). Because these rays point in opposite directions and are collinear, they also form a line that extends infinitely in both directions.

Question 10

R✔ T B D

Revolt · Accepted Answer

B: ✔  T

Defining Terms Answers

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