SOLUTION: Edward wants to measure the height of a building. He walks exactly 80 feet from the base of the building and turns to look up at the top of it. The angle of elevation from Edward's

Question 1062231: Edward wants to measure the height of a building. He walks exactly 80 feet from the base of the building and turns to look up at the top of it. The angle of elevation from Edward's eyes to the top of the building is 47�. If Edward's eyes are at a height of 5 feet, approximately how tall is the building? Round your answer to the nearest hundredth.
The building is approximately __________ feet tall.
Enter your answer as the correct value rounded to the nearest hundredth, like this: 42.53
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
y, how tall the building
y-5, side of a rectangle
80, one leg of a right triangle

You are interested in the right triangle with legs y-5, 80, and angle at the other end of the rectangle and ABOVE it, of 47 degrees.

RELATED QUESTIONS
Edward wants to biuld a ramp for skateboarding. For every 2 feet of height, the ramp... (answered by Boreal)

John wants to measure the height of a tree. He walks exactly 100 feet from the base of... (answered by mananth)

A surveyor wants to find the height of a building. At a point 111.0 from the base of the... (answered by Boreal)

Andrew wants to measure the height of a traffic light. He walks exactly 20 feet from the... (answered by Alan3354)

From a distance of 43 feet from the base of a building, the angle of elevation to the top (answered by ewatrrr)

theo looking up at a building in the distance. the angle of elevation to the top of the... (answered by ikleyn)

the building is 90ft from its base and the angle of elevation to the top of the building... (answered by Alan3354)

At a point 40 feet from the base of a building, the angle of elevation to the top of the... (answered by mananth)

From a point on the ground 500 feet from the base of a building, it is observed that the... (answered by ankor@dixie-net.com)