The engineer's distance from the building, the building's height and the engineer's line of sight form a right angle triangle. Thus, we apply: tan∅ = height/base base = 250/tan(46) base = 241.4 feet So 241 feet
The horizontal distance, height of the building, and the line of sight are the sides of a right triangle. The horizontal distance can be computed using tangents.
h = y / tan(angle)h = 250 / tan(46 deg)h = 241 ft.
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The ratio of girls to boys would be 16:12 because if you divide 28 by 2 you get 14. subtract 2 to on one of them and add the two to the other. You get 12 and 16. There is a difference of 4 to them and when you add them together you get 28. :)