Answer:
The answer is B
Step-by-step explanation:
I took the test
If we discuss this as if it is a triangle then the "rise" is the vertical side and the "run" is the adjacent side.
So the ratio of the rise to the run is 8 / 15 which equals
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0.5333333333
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To find the angle of this roof pitch we look up the arc tangent of
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0.5333333333
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and we find that is 28.072 Degrees
Trigonometry Calculator:
http://www.1728.org/trigcalc.htm
.3478 is the answer, round however you like
3/9 = x/36
Now cross multiply
108 = 9x
X = 12
