NDA2023MathematicsHeights and DistancesActual
Paragraph: A flagstaff 20 m long standing on a pillar 10 m high subtends an angle ⁻¹(0.5) at a point P on the ground. Let be the angle subtended by the pillar at this point P . Question: What is a possible value of ?
Options
- A3 4
- B2 3
- C1 3
- D1 4
Correct answer
C. 1 3
Step-by-step solution
= 10 x = 10 10 or 10 30 =1 or 1 3