Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30º and 45º respectively. If the lighthouse is 100 m high, the distance between the two ships is:
A)
173 m
B)
200 m
C)
273 m
D)
300 m
Correct Option - C
Explanation
From a point P on a level ground, the angle of elevation of the top tower is 30º. If the tower is 100 m high, the distance of point P from the foot of the tower is:
A)
149 m
B)
156 m
C)
173 m
D)
200 m
Correct Option - C
Explanation
The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:
A)
2.3 m
B)
4.6 m
C)
7.8 m
D)
9.2 m
Correct Option - D
Explanation