Answer: 5
Step-by-step explanation:
Answer: B and C
Step-by-step explanation: For A, vertical angles can be complimentary or supplementary. For D, vertical angles can sometimes be acute but not always.
Answer:
False
Step-by-step explanation:
Answer: The second one
Step-by-step explanation:
Lineair is always a straight line, think of it as a “line in the air”