### CBSE X Maths Some Applications of Trigonometry

## the angle of depression from the top of a lighthouse of height h on either sides of sea on boats is 30° & 60° then find distance between boats.

**praveengandhi837**23rd January 2019 5:54 PM

### JEE Main Maths Trigonometry

## The angle of elevation of the top of a vertical tower from a point A, due east of it is 45°. The angle of elevation of the top of the same tower from a point B, due south of A is 30°. If the distance between A and B is 54√2 m , then the height of the tower (in metres), is : a) 36/√3 b) 54 c) 54/√3 d) 108

**Ranjeetgupta26068**16th May 2019 12:11 AM

### CBSE X Maths Some Applications of Trigonometry

## from the top of a building 60 m high the angles of depression of the top and bottom of a vertical lamp post are observed to be 30 degree and 60 degree respectively find 1)the horizontal distance between the building and the lamp post 2)the height of the lamp post (use root 3= 1.732)

**ajayrath7**12th August 2019 11:26 AM

### CBSE X Maths Some Applications of Trigonometry

## A 1.6m tall girl stands at a distance of 3.2m from a lampost and casts a shadow of 4.8m on the ground. Find the height of the lampost by using(1)trigonometric ratios(2)property of similar triangles.

**dr.geetanjali.p**2nd September 2019 11:29 AM

### CBSE X Maths Some Applications of Trigonometry

## A man sitting at a height of 20m on a tall tree on a small island in the middle of a river observes 2 poles directly opposite to each other on the 2 banks of the river and in line with a foot of tree. If the angles of depression of the feet the pole from a point at which the man is sitting on the tree on either side of the river are 60 degrees and 30 degrees respectively. Find the width of the river.

**dr.geetanjali.p**2nd September 2019 11:37 AM

### NEET NEET Physics

## ⭕Help me in this question...Thanks☺️

**jhajuhi19**18th October 2019 12:22 PM

### CBSE X Maths Some Applications of Trigonometry

## The shadow of a tower standing on a level ground is found to be 40m longer when the sun's altitude is 30° than when it is 60°.find the height of the tower

**midujha83**19th October 2019 3:46 PM

### ICSE X Maths Height and Distance

## The upperpart of tree broken by the wind makes an angle of 45 with the ground and distance from the root to point where the top of the tree touches the ground is 15 m what was the ht of the tree before it was broken

**anwarenr**30th November 2019 1:25 PM

### CBSE X Maths Some Applications of Trigonometry

## Determine the height of the mountain if the elevation of it's top at an unknown distance from the base is 30°and at a distance10km further off from the mountain along the same line the angle of elevation is 15°(use tan 15°=0.27)

**skmanya9**1st December 2019 3:06 PM

### CBSE X Maths Some Applications of Trigonometry

## Pls explain

**praveentripathi999**7th January 2020 4:24 PM

### ICSE X Maths Height and Distance

## Can anyone please answer question c

**geetajsr765**25th March 2020 6:43 PM

### CBSE X Maths Some Applications of Trigonometry

## a boat is viewed from the top of a hill which is 100 meter above the sea the angle of depression being 60 degree .find the horizontal distance of the observation point in meter

**seiko.negocio**5th April 2020 11:26 AM

### ICSE X Maths Some Applications of Trigonometry

## ex. 19 q. 5

**nilesh.dhote74**2nd May 2020 10:08 PM

### CBSE X Maths Some Applications of Trigonometry

## From the top of a building 60 d high, the angles of depression of the top and the bottom of a tower are observed to be 30°and 60° respectively. Find the height of the tower.

**Fakeidfake00**4th May 2020 6:36 PM

### ICSE X Maths Height and Distance

## From the top of a cliff, 50m high, the angle of depression of a buoy is 30 degree . Calculate to the nearest meter , the distance of the buoy from the foot of the cliff

**maitripatel9069.10sdatl**11th May 2020 6:21 PM

### CBSE VII Maths The Triangle and Its Properties

## this is my doubt question no 6

**manisha.kh1601**24th June 2020 7:09 AM

### CBSE X Maths Some Applications of Trigonometry

## from a point on the ground the angles of elevation of the bottom and top of a communication tower fixed on the top of a 20 meter high building a 45 degree and 60 degree respectivelyf.find the height of the tower.

**ahmadaarif199**24th July 2020 2:58 PM

### CBSE X Maths Some Applications of Trigonometry

## a fire in the building Bis reported on telephone to two fire staitons P and Q, 20 km apart from each other on a straight road P observes that the fire is at an angle of 60 degree to the road and Q observes that it is at an angle of 45 degree to the road. What station should send its team and how much time will this team have to travel?

**debeswar32**6th August 2020 10:55 AM

### CBSE X Maths Some Applications of Trigonometry

## If the shadow of 10m high tree is 10√3m long, find the angle of elevation of the sun.

**minnumurali13**22nd August 2020 8:06 PM

### CBSE X Maths Some Applications of Trigonometry

## Find the angle of depression of a boat from the bridge at a horizontal distance of 25m from the bridge, if the height of the bridge is 25m.

**minnumurali13**22nd August 2020 8:08 PM

### CBSE X Maths Some Applications of Trigonometry

## two pillars of equal height stand on either side of a roadway which is 150m wide. from a point on the roadwaybetween the pillars, the elevation of the top of the pillars are 60 degree and 30 degree. Find the height of the pillars and the position of the point from each of the pillars.

**minnumurali13**22nd August 2020 8:11 PM

### CBSE X Maths Some Applications of Trigonometry

## From a window x metres highb above the ground in a street, the angles of elevation and depression of the top and foot of the other house on the opposite side of the street are α and β respectively. Show that the side of the opposite house is x(1+tanα.cotβ) metres.

**minnumurali13**22nd August 2020 8:21 PM

### CBSE X Maths Some Applications of Trigonometry

## the angle of elevation of a cloud from a point h metre above a lake is theta. the angle of depression of its reflection in the lake is 45 degree. Find the height of the cloud

**arindeep.singh**11th September 2020 2:41 PM

### CBSE X Maths Some Applications of Trigonometry

## question

**arindeep.singh**2nd October 2020 12:19 PM

### CBSE X Maths Some Applications of Trigonometry

## question

**arindeep.singh**2nd October 2020 12:19 PM

### CBSE X Maths

## 5.An observer 1.4 m tall is 10√3 away from a tower. The angle of elevation from his eye to the top of the tower is 60°. The heights of the tower is

**mandalaganesh633**26th November 2020 5:55 PM

### CBSE IX Physics Sound

## A stone

**satyamthakur7570**21st December 2020 9:04 PM

### ICSE X Maths Height and Distance

## can u ppls explain heights and distNces

**gvsaishruthi**5th March 2021 9:51 PM

### CBSE IX Physics Motion

## Two balls are dropped to the ground from different heights. one ball is dropped two second after the other but both hit the ground at the same time if the first ball takes 6 second to reach the ground then what is the initial difference between their heights take g is equal to 10 metre per second square

**debargharoy057**25th September 2021 9:48 AM

### CBSE XI Science Physics Motion in a Straight Line

## A ball of mass 100g is dropped from a height of 10m It loses 10% of the energy every time it bounces.Maximum height attained after 3rd bounce is ?

**ramkdewan**26th December 2021 1:38 PM

### CBSE X Maths Some Applications of Trigonometry

## a person standing on the bank of a river observes that the angle subtented by a tree on the opposite bank of 60 degree. when he retreates 20m from the bank he find the angle to be 30 degree . find the height of the tree and the bradth of the river

**vy499292**23rd January 2022 8:04 PM

### CBSE X Maths Some Applications of Trigonometry

## The angle of elevation of the top of a tower from two points distant s and t from its foot are complementary. Prove that the height of the tower is √st.

**naancysingh**9th April 2022 7:07 PM

### CBSE X Maths Some Applications of Trigonometry

## On a warm and lazy Saturday, Rishi is watching a county maintenance crew mow the park across the street. He notices the mower takes 16 sec to pass through 60c of rotation from one end of the park to the other. If the corner of the park is 40 meter directly across the street from his house, (i) How wide is the park? (ii) How fast (in kmph) does the mower travel as it cuts the grass?

**badakhsharda**14th April 2022 8:57 AM

### CBSE X Maths Some Applications of Trigonometry

## Two buildings face each other. The height of one building is greater than that of the other. The smaller building is 80 m high. The angles of depression of the top and the bottom of the smaller building from the top of the taller building are 45º and 60º respectively. Find the height of the taller building.

**shanbhog.06**14th April 2022 11:26 AM

### ICSE X Maths Height and Distance

## Ans?

**dassanipuneet6**16th May 2022 2:07 PM

### NEET NEET Physics Kinematics

## a body dropped from top of the tower fall through 40m during the last two seconds of its fall the height of the tower

**frozen.queen2488**1st June 2022 6:23 PM

### NEET NEET Physics Kinematics

## explain

**adititiwari601**30th June 2022 8:08 AM

### CBSE X Maths Introduction to Trigonometry

## A ladder 15 m long just reach the top of a vertical wall. If the ladder makes an angle 60° with the wall , find the height of wall

**rumanshukumar0**4th January 2023 10:44 PM

### CBSE X Maths Some Applications of Trigonometry

## Two pillars are standing on either side of a 80 m wide road. Height of one pillar is 20 m more than the height of the other pillar. From a point on the road between the pillars, the angle of elevation of the higher pillar is 60°, whereas that of the other pillar is 30°. Find the position of the point between the pillars and the height of each pillar. (Use √3 = 1-73)

**swetalinasamantaray022**21st March 2023 4:15 PM

### ICSE X Maths Height and Distance

## the upper part of the tree broken ovet by wind makes an angle of 45° with the ground and the distance from the root to the point where the top of the tree touches the ground is 15 m. what is the height of the tree before it was broken? please tell with figure

**praggya.srivastava.g1972**2nd October 2023 10:13 PM

### ICSE X Maths Trigonometric Identities

## From the top of the light house , the angles of depression of two ships on the same side of the light house are 60° and 45°. Find the height of the light house , if the distance between the ships is 36 meters. Answer to the nearest meter.

**shethdhanesh**18th October 2023 6:54 PM

### CBSE X Maths Surface Areas and Volumes

## water flows out through a circular pipe whose internal diameter is 4/3 cm at the rate of 0.63m per sec into a cylindrical tank the radius of whose base is 0.2 m by how much will the level of water rise in one hour

**advikanagare29**13th November 2023 9:07 PM

### ICSE X Maths Height and Distance

## The angle of elevation of a bird from a point 50 m above the lake is 30(Degree) and the angle of depression of its reflection in the lake is 60(Degree). find the height of the bird above the lake. With the diagram

**san.dhole121409**9th February 2024 12:25 AM