The answer to this question is: D) infinitely many solutions
You can solve this by making a proportion.

you cross multiply and divide to solve this. your answer is 8.
Answer:
12
Step-by-step explanation:
hope it helps
Answer:the diameter is 7
Step-by-step explanation: 21.98 divide by pi is 7 so diameter is 7
Answer:
They are supplementary.
Step-by-step explanation:
A linear pair consists of two opposite angles whose non-common sides create a straight line. If a linear pair consists of two angles, then they are supplementary