SOLUTION: For the given angle find the measure of the exterior angle BCD A is (80-10x) B is (56-7x) and CD is (126-22x) I know the correct answer is 170 but I do not know how they ar

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Question 602854: For the given angle find the measure of the exterior angle BCD
A is (80-10x)
B is (56-7x)
and CD is (126-22x)
I know the correct answer is 170 but I do not know how they arrived at that.
I tried 80-10x + (56-7x) = 126-22x and my answer was -2
Please help.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Not enough info.
Where are these points, A, B, C & D ?