Answer: 50/√3 m.
- A 25m
- B 50/√3 m
- C 25√3 m
- D 50√3 m
Correct answer: B. 50/√3 m
Explanation: tan 30° = h/50. h = 50 × tan 30° = 50/√3 m.
Unit circle with standard angles 0, 30, 45, 60, 90 degrees; at 45 degrees the point is (cos45, sin45) = (1/sqrt2, 1/sqrt2).
Concept context
Ratios, identities, and applications in triangles