Defining Terms

Question 1

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 2

Which statements are true? Select three options.

Revolt · Accepted Answer

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

Question 3

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 4

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

Revolt · Accepted Answer

A: ; B: ; D: ; F: ∠BCE

Question 5

Determine if each statement is always, sometimes, or never true. Parallel lines are coplanar. Perpendicular lines are coplanar. Distance around an unmarked circle can be measured.

Revolt · Accepted Answer

A: always

Question 6

Which defines ray?

Revolt · Accepted Answer

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

Question 7

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

Revolt · Accepted Answer

C: parallel lines

Question 8

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 9

R✔ T B D

Revolt · Accepted Answer

B: ✔  T

Question 10

What did you include in your response? Check all that apply.

Revolt · Accepted Answer

C: Rays AB and AC extend forever in either direction.

Defining Terms Answers

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