In the diagram above, what is the size of angle ACB?
...
In the diagram above, what is the size of angle ACB?
A.
40o
B.
50o
C.
60o
D.
80o
E.
100o
Correct answer is C
< ABC = 80° (alternate angles)
< ACB = 180° - (80° + 40°) = 60°
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