An=an-1-3
I hope this helps.
Thank you for coming to Brainly with your questions!
I believe the answer is:
93 degrees. You were correct. The interior angles all add up to 360, so you subtract each given angle to find the missing angle.
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-Belle
C-3/5=4
c-3/5*5=4*5 (We do this to get ride 5 so we can simplify to just 3)
c-3=20
+3 +3
c=17
If you’re doing reflection than you would choose 1 and you explain that you are reflecting over the origin and the (x,y) values for each point of ABC will become (-x,-y) which matches Shape 1