You can use trigonometry and the tangent to get:
tan(11°)=150/x
so x=772 ft
tan(11°)=150/x
so x=772 ft
In how many ways can a person read 3 different books from a collection of 7 books during a one week vacation
1 answer:
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We can always split a regular polygon with sides into
triangles, whose base is the side of the polygon and whose height is the apothem of the polygon. So, the sum of the areas of all these triangles is
where is the number of sides,
is the side length, and
is the apothem length.
So, you just need to plug you values in: in your case, you have
So, the formula becomes