The figure shows a person estimating the height of a tree by looking at the top of the tree with a mirror. Assuming that both th
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Answer:
Step-by-step explanation:
The Law of Cosines works for any triangle and is given by:
, where
,
, and
are the sides of the triangle and
is the angle opposite to
.
In the given triangle, assign the variables:
Substituting these variables, we have: