In downtown Charlotte, building inspectors must regulate the height of buildings. From the top of the BB&T building which is
200 meters high, the angle of depression to the bottom of the Hilton is 20 degrees. From the same point, the angle of elevation to the top of the Hilton is 10 degrees. Calculate the height of the Hilton.
1 answer:
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Answer:
x = 9
Step-by-step explanation:
Since the figures are similar then the ratios of corresponding sides are equal, that is
=
( cross- multiply )
12(x - 1) = 96 ( divide both sides by 12 )
x - 1 - 8 ( add 1 to both sides )
x = 9
We have a system of equations in two variables, namely, a and c. Use the substitution to find a and c.
