WAEC Mathematics 2016 Objective — Question 49
Question 49 of 50 from the West African Examinations Council (WAEC) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
Advertisement
49. An object is 6cm away from the base of a mast. If the angle of depression of the object from the top of the mast is 50°, find, correct to 2 decimal places, the height of the mast. A. 8.60m B. 7.83m C. 7.51m D. 7.15m
- A. 8.60m
- B. 7.83m
- C. 7.51m
- D. 7.15mCorrect
Explanation
tan50°=h/6 → h=6tan50°=7.15m (2 d.p.).
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.