Wednesday

April 16, 2014

April 16, 2014

Posted by **tom** on Tuesday, December 6, 2011 at 9:24pm.

- MATH -
**Anonymous**, Wednesday, December 7, 2011 at 6:33amAssume the observer started out x feet from the building

tan 20 = h/x

tan 40 = h/(x-75)

.3639 = h/x

.8390 = h/(x-75)

h = .3639x

so

.8390 = .3639x/(x-75)

x = 132.45

h = 48.20

**Related Questions**

MATH TRIG - FROM A DISTANCE OF 80 M. THE ANGLE OF ELEVATION OF THE TOP OF A ...

Math (Triangles - (Angle of Elevation) - A television antenna is situated atop a...

Pre-Calc - Please help me with this word problem, I can't seem to figure it out...

Pre-Calculus - 1.The angle of elevation to top of a building from a point on the...

college trig - From a point on the ground a person notices that a 110-ft tree on...

Math - Use the figure to answer the following questions. figure for questions 1–...

Trig - From a point 120 feet from the base of a plant building the angle of ...

MATH - In traveling across flat land, you notice a mountain in front of you. Its...

Math - In traveling across flat land, you notice a mountain in front of you. Its...

Math - In traveling across flat land, you notice a mountain in front of you. Its...