SAT problem of the week, December 08, 2014

Six adjacent angles

In the diagram of six adjacent angles shown above, which of the following must be true?

  1. The sum of the six angles is $latex 360 \textdegree $
  2. All six angles are congruent to each other.
  3. Any pair of adjacent angles is supplementary
  1. I, only (check answer)
  2. II, only (check answer)
  3. I and II, only (check answer)
  4. I and III, only (check answer)
  5. I, II, and III (check answer)

Have a solution? Hint? Question? Drop it below. We’d love to hear from you. A full solution will be posted on December 14th. If you would like to learn how to enter math formulas into this blog, visit the WordPress LaTeX tutorial page.

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