how to do both qustion ### Problem Statement**Find the elevation of point B.**### Diagram DescriptionThe diagram shows a setup for determining the elevation of point B using a surveying method. Key features include:- A prism located above point B at a height of 4.68 feet.- A line of sight from an instrument to the prism, forming an angle of 51.71° with the horizontal.- The horizontal distance from the instrument to the prism is labeled as L = 226.37 feet.- The elevation of a benchmark (BM) is given as 700.90 feet, where the instrument is set up.- The instrument height is specified as 5.65 feet above the benchmark level.### Question 4**For the geometry from question 4, what is the horizontal distance between the benchmark and point B?**This question seeks the horizontal distance, derived from the setup using trigonometric calculations based on the given angle and line length.

Find the elevation of point B. Prism 4.68 B L = 226.37' 51.71 Instrument 5.65' BM 1 elevation = 700.90 ft- uestion 4 For the geometry from question 4, what is the horizontal distance between the benchmark and point B?

Find the elevation of point B. Prism 4.68 B L = 226.37' 51.71 Instrument 5.65' BM 1 elevation = 700.90 ft- uestion 4 For the geometry from question 4, what is the horizontal distance between the benchmark and point B?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

how to do both qustion

### Problem Statement

**Find the elevation of point B.**

### Diagram Description

The diagram shows a setup for determining the elevation of point B using a surveying method. Key features include:

- A prism located above point B at a height of 4.68 feet.
- A line of sight from an instrument to the prism, forming an angle of 51.71° with the horizontal.
- The horizontal distance from the instrument to the prism is labeled as L = 226.37 feet.
- The elevation of a benchmark (BM) is given as 700.90 feet, where the instrument is set up.
- The instrument height is specified as 5.65 feet above the benchmark level.

### Question 4

**For the geometry from question 4, what is the horizontal distance between the benchmark and point B?**

This question seeks the horizontal distance, derived from the setup using trigonometric calculations based on the given angle and line length.

Expert Solution

Step 1

The answers are,

Elevation of point B is 842.138 feet

Horizantal distance between benchmark and B is 177.674 feet.

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