need help with a math problem about the measurement of a triangle

Mathematics
Tutor: None Selected Time limit: 1 Day

Nov 9th, 2015

hello


cos b = 5/13

B = COS-1(5/13)

B = 67


ANSWER IS option C

C . 67


hope you understood..please message if you have any doubts...thank you
Nov 9th, 2015

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Nov 9th, 2015
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Nov 9th, 2015
Dec 8th, 2016
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