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WAEC 2024 · Paper 1 · Q37

Four of the angles of a hexagon sum up to 420∘420^\circ. If the remaining angles are equal, find the value of each of the angles.

Worked solution (try it first)
  1. The interior angles of a hexagon add up to (6−2)×180∘=720∘(6 - 2) \times 180^\circ = 720^\circ.
  2. The two remaining angles share 720∘−420∘=300∘720^\circ - 420^\circ = 300^\circ.
  3. So each is 300∘÷2=150∘300^\circ \div 2 = 150^\circ, option D.

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