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1 answer:
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Answer:
The length of the river on a map is
Step-by-step explanation:
we know that
The scale of the map is
That means
1 cm on a map is 5,000,000 cm on the actual
or
1 cm on a map is 50 km cm on the actual
so
using proportion
The perimeter of a triangle is given by <em>the sum its three sides</em>, then according to the figure above we have that:
Thus, our goal is to find the value of
and by finding it we will get the perimeter of the triangle. If ∠I = ∠K = β, then according to the Law of Sines we have:
Lastly, the perimeter is:
Thus, our goal is to find the value of
Lastly, the perimeter is: