When looking at the top of a pole from two different points m and n on the ground, the angles of elevation formed are 60° and 45° respectively. Find the height of the pole.
Options:
a. 
b. 
c. mn units
d. 3mn units
When looking at the top of a pole from two different points m and n on the ground, the angles of elevation formed are 60° and 45° respectively. Find the height of the pole.
Options:
a. 
b. 
c. mn units
d. 3mn units
The top and bottom of a tower were seen to be at angles of depression 30° and 60° from the top of a hill of height 100 m. Find the height of the tower ?
The top and bottom of a tower were seen to be at angles of depression 30° and 60° from the top of a hill of height 100 m. Find the height of the tower ?
From a point P on a level ground, the angle of elevation of the top tower is 30. If the tower is 100 m high, the distance of point P from the foot of the tower is:
From a point P on a level ground, the angle of elevation of the top tower is 30. If the tower is 100 m high, the distance of point P from the foot of the tower is:
A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30º with the man's eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60º. What is the distance between the base of the tower and the point P?
A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30º with the man's eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60º. What is the distance between the base of the tower and the point P?
Rohit was trying to identify a bird sitting at the top of a tree making a 45° angle of elevation. Since he could not identify the bird, he moved closer to the tree by 240 ft. and thus formed 60° angle of elevation. How far was he from the tree initially?
Rohit was trying to identify a bird sitting at the top of a tree making a 45° angle of elevation. Since he could not identify the bird, he moved closer to the tree by 240 ft. and thus formed 60° angle of elevation. How far was he from the tree initially?
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 30 and 45 respectively. If the lighthouse is 100 m high, the distance between the two ships is:
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 30 and 45 respectively. If the lighthouse is 100 m high, the distance between the two ships is:
Two friends Ajay and Vijay formed sand castles of heights of height 8 cm and 15 cm respectively on the sea shore. The distance between the two castles was 24 cm. Find the distance between the tops of two castles.
Two friends Ajay and Vijay formed sand castles of heights of height 8 cm and 15 cm respectively on the sea shore. The distance between the two castles was 24 cm. Find the distance between the tops of two castles.
An observer 1.6 m tall is 20√3 away from a tower. The angle of elevation from his eye to the top of the tower is 30. The heights of the tower is:
An observer 1.6 m tall is 20√3 away from a tower. The angle of elevation from his eye to the top of the tower is 30. The heights of the tower is:
The angle of elevation of the top of a tower from a certain point is 30°. If the observer moves 40 m towards the tower, the angle of elevation of the top of the tower increases by 15°. The height of the tower is:
The angle of elevation of the top of a tower from a certain point is 30°. If the observer moves 40 m towards the tower, the angle of elevation of the top of the tower increases by 15°. The height of the tower is:
The angle of elevation of the sun, when the length of the shadow of a tree is \(\sqrt{3} \) times the height of tree, is :
The angle of elevation of the sun, when the length of the shadow of a tree is \(\sqrt{3} \) times the height of tree, is :
A agsta 17.5 m high casts a shadow of length 40.25 m. What will be the height of a building, which casts a shadow of length 28.75 m under similar conditions ?
A agsta 17.5 m high casts a shadow of length 40.25 m. What will be the height of a building, which casts a shadow of length 28.75 m under similar conditions ?
Jack takes 20 minutes to jog around the race course one time, and 25 minutes to jog around a second time. What is his average speed in miles per hour for the whole jog if the course is 3 miles long?
Jack takes 20 minutes to jog around the race course one time, and 25 minutes to jog around a second time. What is his average speed in miles per hour for the whole jog if the course is 3 miles long?
The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 12.4 m away from the wall. The length of the ladder is:
The angle of elevation of a ladder leaning against a wall is 60º and the foot of the ladder is 12.4 m away from the wall. The length of the ladder is:
The angle of elevation of a ladder leaning against a wall is 60 and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:
The angle of elevation of a ladder leaning against a wall is 60 and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:
A man is watching from the top of a 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 100 metres from the tower. After 10 seconds, the angle of depression becomes 30°. What is the approximate speed of the boat, assuming that it is running in still water?
A man is watching from the top of a 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 100 metres from the tower. After 10 seconds, the angle of depression becomes 30°. What is the approximate speed of the boat, assuming that it is running in still water?
A vertical toy 18 cm long casts a shadow 8 cm long on the ground. At the same time a pole casts a shadow 48 m. long on the ground. Then find the height of the pole ?
A vertical toy 18 cm long casts a shadow 8 cm long on the ground. At the same time a pole casts a shadow 48 m. long on the ground. Then find the height of the pole ?
Standing at one corner of a square piece of land, a boy looks in the diagonally opposite direction and sees an object that looks like a scare crow. At the moment his angle of elevation formed is 60°. He starts walking back home in a straight line and after 80 ft realizes that the angle of elevation of the object now is only 30°. Find the area of the land he was standing on.
Options:
a. 40/2 sq.ft.
b. 40sq.ft.
c. 800sq.ft.
d. 1600sq.ft.
Standing at one corner of a square piece of land, a boy looks in the diagonally opposite direction and sees an object that looks like a scare crow. At the moment his angle of elevation formed is 60°. He starts walking back home in a straight line and after 80 ft realizes that the angle of elevation of the object now is only 30°. Find the area of the land he was standing on.
Options:
a. 40/2 sq.ft.
b. 40sq.ft.
c. 800sq.ft.
d. 1600sq.ft.
If an object travels at ve feet per second, how many feet does it travel in one hour?
If an object travels at ve feet per second, how many feet does it travel in one hour?
The top of a 15 metre high tower makes an angle of elevation of 60° with the bottom of an electronic pole and angle of elevation of 30° with the top of the pole. What is the height of the electric pole?
The top of a 15 metre high tower makes an angle of elevation of 60° with the bottom of an electronic pole and angle of elevation of 30° with the top of the pole. What is the height of the electric pole?
A man on the top of a vertical observation tower observers a car moving at a uniform speed coming directly towards it. If it takes 8 minutes for the angle of depression to change from 30° to 45°, how soon after this will the car reach the observation tower?
A man on the top of a vertical observation tower observers a car moving at a uniform speed coming directly towards it. If it takes 8 minutes for the angle of depression to change from 30° to 45°, how soon after this will the car reach the observation tower?