can someone help me with this question quickk? pleasee!
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OpenStudy (anonymous):
Find the value of x. Round the length to the nearest tenth. The diagram is not drawn to scale.
OpenStudy (mathstudent55):
|dw:1366753078997:dw|
OpenStudy (mathstudent55):
|dw:1366753157737:dw|
OpenStudy (anonymous):
okay so how did u get the interior angles?
OpenStudy (mathstudent55):
For the 10 degree angle, the leg measuring 500 m is the opposite leg. The leg measuring x is the hypotenuse. Which trig function uses the opposite and hypotenuse.
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OpenStudy (mathstudent55):
|dw:1366753252426:dw|
OpenStudy (anonymous):
cosine.
OpenStudy (anonymous):
i mean sin
OpenStudy (mathstudent55):
The dashed line above is parallel to the bottom leg of the triangle and forms a 90-deg angle with the leg measuring 500 m. That means the upper angle is 80, since 80 + 10 = 90