The shadow of an office building reaches across the street to a sidewalk 60 feet away when the angle of elevation for the sun is 72 degrees. approxametly how tall is the buliding?
A. 19.5 ft
B. 57 ft
C. 125 ft
D. 185 ft
2007-08-01 11:59:21 · 5 answers · asked by sdp 1 in Science & Mathematics ➔ Physics
Draw a right triangle with the base equal to 60 feet and the angle subtended by the base and hypotenuse is 72 degrees.
The length of the vertical side is the height of the building.
If you want to compute it:
tan(72)=h/60
h= 185 ft, or D.
j
2007-08-01 12:02:05 · answer #1 · answered by odu83 7 · 0⤊ 0⤋
D. 185 ft
2007-08-01 12:09:39 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Height is 60*tan72=184.661 ft
2007-08-01 12:38:10 · answer #3 · answered by Anonymous · 0⤊ 0⤋
d
2007-08-01 12:07:07 · answer #4 · answered by Anonymous · 0⤊ 0⤋
D
2007-08-01 12:07:33 · answer #5 · answered by NY PTK 4 · 0⤊ 0⤋