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OpenStudy (anonymous):
What is the value of c? A. 34 B. 71 C. 38 D. 68
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OpenStudy (anonymous):
OpenStudy (mathstudent55):
This should help. |dw:1374802431910:dw|
OpenStudy (anonymous):
i got 82...
OpenStudy (mathstudent55):
How?
OpenStudy (anonymous):
i have no clue
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OpenStudy (mathstudent55):
Do you have choices? You just picked one at random?
OpenStudy (anonymous):
no. i added 71 and 68. then subtracted it from 180. then multiplied by 2. idek.
OpenStudy (mathstudent55):
That's not it. Ok, let's go over it step by step. Remember the hint I gave you above.
OpenStudy (anonymous):
ok
OpenStudy (mathstudent55):
|dw:1374802740276:dw|
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OpenStudy (mathstudent55):
Using the hint above, since you have an angle of 71 degrees, the big arc in black is 2 * 71 = 142, ok? |dw:1374802907829:dw|
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