If the angle of elevation of a tower from..
If the angle of elevation of a tower from a distance of 100 metres from its foot is 60?, the height of the tower is.
A. $100 sqrt{3} m$
B. $frac{100}{sqrt{3}} m$
C. $50 sqrt{3} m$
D. $frac{200}{sqrt{3}} m$
Answer: Option A...
The height of a tower is 100 m. When the angle.
The height of a tower is 100 m. When the angle of elevation of the sun changes from 30° to 45°, the shadow of the tower becomes x metres less. The value of x is.
A. $100 mathrm{~m}$
B....
If a 1.5 m tall girl stands at a distance of 3.
If a 1.5 m tall girl stands at a distance of 3 m from a lamp-post and casts a shadow of length 4.5 m on the ground, then the height of the lamp-post is
A. 1.5 m
B. 2...
If a 30 m ladder is placed against a 15 m..
If a 30 m ladder is placed against a 15 m wall such that it just reaches the top of the wall, then the elevation of the wall is equal to?
A. 45°
B. 30°
C. 60°
D. 50°
Answer: Option B...
The angle of elevation of the top of a tower..
The angle of elevation of the top of a tower standing on a horizontal plane from a point A is α. After walking a distance 'd' towards the foot of the tower the angle of elevation is...
A man is watching from the top of tower..
A man is watching from the top of tower a boat speeding away from the tower. The boat makes an angle of depression of 45° with the man’s eye when at a distance of 60 meters from...
On the same side of tower, two objects are located.
On the same side of tower, two objects are located. Observed from the top of the tower, their angles of depression are 45° and 60°. If the height of the tower is 150 m, the distance between...