Answer:
4
Step-by-step explanation:
Answer:
what are the answer choices
Step-by-step explanation:
what are the answer choices
Answer:
60
Step-by-step explanation:
45 is a vertical angle so the angle opposite will also be 45 degrees. There is also 75 in the bottom left corner of the trianlge. 45 + 75 is 120. In a triangle the angles all equal 180 degrees. subtract 120 from 180. 180-120=60.
Hope this helps :D
The radius would be 9 so I would go with D r=9