Multiple choice

As the number of sides of a polygon increases from 3 to 'n', what happens to the sum of the exterior angles formed by extending each side in succession?

  1. Increases

  2. Decreases

  3. Remains constant

  4. Cannot be predicted

  5. Becomes (n - 3) straight angles

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is a theorem that the sum of the exterior angles of any (convex) polygon is a constant, namely two straight angles. Hence, option (3) is correct.