Asked by Etti Frost
A building is 20 feet tall. James is standing near the building, looking directly at the roof of the building at a 30 degree angle. If James wanted to throw a rope from himself to the roof, how long would the rope have to be?
Answers
Answered by
oobleck
draw a diagram and review the basic trig functions.
You can see that the rope length r can be found using
20/r = sin30°
so now it's easy to find r.
You can see that the rope length r can be found using
20/r = sin30°
so now it's easy to find r.
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