Se desea construir un parque con forma de sector circular con un radio de 402 pies y un ángulo central de 45°. ¿Cuál será la sup
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15.
We have right triangles, with the ladder the hypotenuse of both and the wall the opposite side of both.
Call the ladder length <em>h.</em>
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 <em>y </em>the height of the tower and <em>x</em> 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