help with question 9.
Just show me question 9 and I'll be happy to do it. Thanks.
I uploaded the file to it. I would be very happy if u show me how to do it in diagram, pictures with explanations.
Can't show with pictures, but follow the diagram as I explain:
since <B is 115, arc ADC must be 230 degrees because <B is its inscribed angle.
Then arc ABC must be 360 - 230 = 130 degrees
a) <ADC = 1/2(130) = 65 degrees, because it's an inscribed angle
b) arc CD = 230 - 60 = 170
therefore, <CDF = 1/2(170) = 85 degrees
c) <C = 85 degrees also, because it is the alternate interior angle of <CDF
d) <A = 360 - (115 + 85 + 65) = 95 degrees
Let me know if you have any questions. Thanks.
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