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xxloserlikemexx
 2 years ago
The picture shows a flagpole, AB, above a house.
Rounded to the nearest whole number, what is the height, in feet, of the flagpole AB?
xxloserlikemexx
 2 years ago
The picture shows a flagpole, AB, above a house. Rounded to the nearest whole number, what is the height, in feet, of the flagpole AB?

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azka.niazi
 2 years ago
Best ResponseYou've already chosen the best response.2we have two right angle triangles. use trigonometric ratios sin(angle) = perpendicular/hypotenuse for both triangles. one will give you the height from ground to point A, the other will give ground to point be. subtract to find the length of the pole.

ajprincess
 2 years ago
Best ResponseYou've already chosen the best response.2dw:1338779404016:dwdw:1338779506113:dwdw:1338779588391:dwdw:1338779691925:dw

xxloserlikemexx
 2 years ago
Best ResponseYou've already chosen the best response.0Thanks @ajprincess! That's the same answer I got.

Zarkon
 2 years ago
Best ResponseYou've already chosen the best response.0@azka.niazi why are you using sine?

azka.niazi
 2 years ago
Best ResponseYou've already chosen the best response.2OOps! that's a tangent! sorry! that should be tan(angle) = perpendicular/base (thanks for pointing out @zarkon)
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