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Mathematics 14 Online
OpenStudy (anonymous):

y=

OpenStudy (anonymous):

OpenStudy (anonymous):

options are 4.6 13.9 21.6

OpenStudy (mathstudent55):

You need to use trigonometry of a right triangle.

OpenStudy (nurali):

OpenStudy (mathstudent55):

Look at the triangle. Which side is the hypotenuse?

OpenStudy (nurali):

Last Formula Tan60=8/y y=8/Tan60

OpenStudy (usukidoll):

errr but we're only given 1 side and 1 angle with 2 unknowns though ?!

OpenStudy (mathstudent55):

@shylibra16 For simplicity, call the sides x, y, and 8. Of the three sides x, y, and 8, which one is the hypotenuse?

OpenStudy (anonymous):

the x is the hypotenuse

OpenStudy (mathstudent55):

Good. That means the y and the 8 are legs. Now look at the given angle. For that given angle, which side, y or 8, is the adjacent leg?

OpenStudy (mathstudent55):

Hint: adjacent means "next to". Opposite means "across from".

OpenStudy (anonymous):

y

OpenStudy (mathstudent55):

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OpenStudy (mathstudent55):

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