Mechanical - 540 UNIT 09 Algebra and Trigonometry - MCQ
The height of a tower is 40 m. A man at a point on ground observes its top at angle 30°. Distance from man to tower = ?
The angle between a ramp and the horizontal is 15°. If the ramp is 10 m long, the vertical height is:
A tree 12 m high casts a shadow of 16 m. Find the angle of elevation of the sun.
If angle of elevation of a tower is 60° from a distance of 20 m, height of the tower is:
A wire is attached to the top of a vertical pole of height 15 m and makes angle 30° with the ground. Length of the wire is:
A tower is 100 m high. From a point on the ground, the angle of elevation is 60°. Find the distance from the point to the tower.
A man is 1.8 m tall. He observes the top of a building at 30° angle of elevation. His distance from the building is 20 m. Height of the building is:
A tower and its shadow form a right-angled triangle. If the shadow is 5 m long and the angle of elevation is 45°, the height of the tower is:
The top of a chimney is observed from 30 m away at an angle of 45°. Height of the chimney is:
A flagpole is 12 m high and casts a shadow 12 m long. The sun’s elevation angle is:
The angle of depression from a point 20 m above the ground to the base of a pole is 30°. Distance between point and pole base is:
A ramp rises 4 m over a horizontal distance of 16 m. Its angle with the ground is:
A wire supports a pole of height 20 m, making angle 60° with ground. Length of wire is:
A road is inclined at 10° with the horizontal. Vertical height gained over 200 m distance is:
A workshop roof is inclined at 45°. If horizontal length is 6 m, the vertical height is:
A man observes a drone flying overhead at 60° elevation. If the drone is 100 m above ground, how far is the man from its vertical projection?
Which of the following expressions is equivalent to x² − y²?
The angle between the hour and minute hand at 3:00 PM is:
A line inclined at 60° to the base creates which triangle type with the floor and vertical height?