Jorge is standing at a horizontal distance of 25 feet away from a building. his eye level is 5.5 feet above the ground and looki
ng up he notices a window washer on the side of the building at an angle of elevation of 65, how high is the window washer above the ground
1 answer:
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check the picture below.
so, we know the dimensions of the pool, is a 20x10, so its area is simply 200 ft², and we know the walkway is 216 ft², so the whole thing, including pool and walkway is really 200 + 216 ft².
now, as you see in the picture, the dimensions for the combined area is 20+2x and 10+2x, since the walkway is "x" long, therefore,
notice, it cannot be -18, since is a positive length unit.
