WAEC Mathematics 1993 Question 35

Question 35

Trigonometry

At a point 500m from the base of a water tank the angle of elevation of the top of the tank is 45°. Find the height of the tank.

  1. A.250m
  2. B.353m
  3. C.354m
  4. D.433m
  5. E.500m
Show the answer and explanation

Answer: E (500m)

Explanation

height = 500 × tan 45° = 500 × 1 = 500 m.