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rachelpinto17
Middle School
Plzz help me solve questions 15 and 16...!!
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DeanR
15.
We have right triangles, with the ladder the hypotenuse of both and the wall the opposite side of both.
Call the ladder length h.
Against the wall we have the opposite of alpha the taller one:
On the ground adjacent to beta is the longer one
Dividing
16.
Again I'm too lazy to draw the figure but you should.
Let's call y the height of the tower and x the distance from the observation point on the ground to the base of the tower.
Since
Dividing,
Answer: Height 60 meters, distance 20√3 meters
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