Defining Terms

Question 1

Which defines ray?

Revolt · Accepted Answer

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

Question 2

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

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 3

Determine if each statement is always, sometimes, or never true.

Revolt · Accepted Answer

Perpendicular lines are coplanar.: sometimes; Distance around an unmarked circle can be measured.: sometimes

Question 4

always✔ sometimesnever

Revolt · Accepted Answer

✔ sometimes

Question 5

always✔ sometimesnever

Revolt · Accepted Answer

✔ sometimes

Question 6

Analyze the diagram to answer the questions.

Revolt · Accepted Answer

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

Question 7

R✔ T B D

Revolt · Accepted Answer

✔ T

Question 8

RAD DAR✔ RAB RAC

Revolt · Accepted Answer

✔ RAB

Question 9

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

Revolt · Accepted Answer

parallel lines

Question 10

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

Revolt · Accepted Answer

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

Defining Terms Answers

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