Answer:
b. They can both be 90 degree angles
c. Acute angles are by definition 90 degrees, and acute is less than but not equal to 90 degrees
d. should be always
e. should be never (explanation: they have to be adjacent to be supplementary, and vertical angles are never adjacent)
Step-by-step explanation:
The answer is the last option!
17’
Answer:
I dont understand that sorry
18.84 I think you have to do the math from the radius to the edge of the circle