Mathematics

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: Option C
Explanation

< ABC = 80° (alternate angles)

< ACB = 180° – (80° + 40°) = 60°