Answer:
20 seats put together
Step-by-step explanation:
Unsure of what you mean by "reference number."
I do recognize that 11pi/9 is in quadrant III. I suspect that the so-called "reference number" is the acute angle between the end ray of 11pi/9 and pi, or, in more easily comparable numbers, between 9pi/9 and 11pi/9.
That difference is 2pi/9.
What is the question for this
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Answer:
About 268.08
Step-by-step explanation: