Wednesday

March 4, 2015

March 4, 2015

Posted by **Kasey** on Friday, October 15, 2010 at 11:05pm.

A vertical angle of -40 is recorded between A and B. The slope distance, after meteorological corrections, is 806.388 m. What is the horizontal distance between A and B?

- surveying math -
**MathMate**, Saturday, October 16, 2010 at 4:36pmThe theodolite measures 0° when the telescope is horizontal, and 90° when it is vertically upwards. So -40° is 40° below the horizontal.

The sloping distance is 806.388, so the horizontal distance is 806.388*cos(40°)=617.729

**Answer this Question**

**Related Questions**

Math Surveying - Hey, Need some help working these 3 problems. I have the ...

Surveying - I am looking for horizontal distance between 2 points. My slope ...

Math Surveying - Need help working this problem. Thanks in advance! 1) A 50-m ...

Algebra - Doing a slope project in Algebra. The instructions are to make a ...

Geometry - A wooden board is placed so that it leans against a loading dock to ...

Math ( Surveying ) - Need help with this problem! Thanks in advance. The ground ...

Geometry - PLEASE! Someone help me with geometry!? A wooden board is placed so ...

Math Surveying - Hey, I need help working these problems. Thanks you. 1) A 50-m ...

mathematics - Need help with this math problem please. Work need to be show but ...

Math...Please help I need this done by 6:00 - This was the question: Explain why...