JAMB Mathematics 1983 Question 35

Question 35

Angles and Polygons

One interior angle of a convex hexagon is 170° and each of the remaining interior angles is equal to x°. Find x.

  1. A.120°
  2. B.110°
  3. C.105°
  4. D.102°
  5. E.100°.
Show the answer and explanation

Answer: B (110°)

Explanation

The angles of a hexagon add to 720°. 5x + 170 = 720, so x = 110°.