SOLUTION: Given the figure ABCD, what is the measurement of ADC? A=116° B=23° C=108° D=?

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Question 827163: Given the figure ABCD, what is the measurement of ADC?
A=116°
B=23°
C=108°
D=?
Answer by jsmallt9(3758) About Me  (Show Source):
You can put this solution on YOUR website!
If the figure is a convex quadrilateral then the 4 angles add up to 360 degrees.