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dd123984
28.12.2021 •
Mathematics
Shawna wanted to boat across the river, but did not know how wide it was. She walked along the shore for 90 feet and sighted across the water to the point she wanted to go. The angle that the sight line made with the shoreline was 65°. What was the distance across the river?
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Ответ:
or in radians
Step-by-step explanation:
We have the opposite side of angle x and hypotenuse of the right triangle.
Let's find the other side.