**Solved Width of a River A biologist wants to know the**

A tower stands on a river bank. From a point on the other bank directly opposite, and at height \(h\) above the water level, the angle of elevation of the top of the tower is \(\alpha\) and the angle of depression of the reflection of the top in the water is \(\beta\).... home / study / math / trigonometry / trigonometry questions and answers / What Is The Width Of The River? (Find D) Question: What is the width of the river? (Find d) Show transcribed image text What is the width of the river? (Find d) Best answer. 100 % (1 rating) Get this answer with Chegg Study View this answer. Previous question Next question . Need an extra hand? Browse hundreds of

**Solved To Find The Width Of A River A Surveyor Set Up He**

The major use of trigonometry which we will study is to find the height and distance between two distant objects and we will study some basic points of how we locate ships from Light houses and a …... To measure the length of a table, the length of a car, or the width of the classroom, you can walk from one end to the other, and you can stretch a string or a tape measure the whole distance.

**SOLUTION 13. Atiba wants to measure the width of the**

23/04/2009 · finding width of river I need help with the following problem: angela wishes to find the distance from point A to her friend Carmen's house at point C on the other side of the river. how to get business finance in australia A tower stands on a river bank. From a point on the other bank directly opposite, and at height \(h\) above the water level, the angle of elevation of the top of the tower is \(\alpha\) and the angle of depression of the reflection of the top in the water is \(\beta\).

**What do engineers use trigonometry for science.answers.com**

Walk along the river until the rod, held up by my friend at a distance equal to the length of the rope, has the same apparent size as the bridge. Then measure the distance to the bridge in rope lengths. This number will equal the bridge/river width in rod lengths. how to get the emoji keyboard to go away 15/06/2007 · Best Answer: Basically, to survey the distance, you will use the triangle method to find the distance of the river. You know the height of the building. Therefore from the man's observation point, the angle opposite the building can be found. The width distance can be found using the Law of …

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### Determine the width of a river without crossing to the

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## How To Find The Width Of A River Using Trigonometry

5/11/2011 · 1. An observer is next to a river and wants to calculate the distance across the river. He measures the angle between his observations of two points on the shore, one on his side and one on the other side, the angle coming out to be 28º.

- Find the width of the river. Let the position of the aeroplane be A, B and C be two points on the two banks of a river such that the angles of depression at B and C are 45° and 60° respectively. Let BD = x m, y m andAD = 200 m.
- Consider from the figure. Width of the river is w ft. Distance walked by biologist from A to B is 100 ft. Angle made while sighting point C from B is Now, to find the width of the river is
- use Pythagoras’ Theorem in two and three dimensions. recognise when shapes are similar and use proportional reasoning to find an unknown length. select and use …
- The major use of trigonometry which we will study is to find the height and distance between two distant objects and we will study some basic points of how we locate ships from Light houses and a …