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anonymous
 one year ago
~*~*~will fan and medal~*~*~ HELP!!
find measure C. (image below) Round the answer to the nearest tenth.
anonymous
 one year ago
~*~*~will fan and medal~*~*~ HELP!! find measure C. (image below) Round the answer to the nearest tenth.

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.1use the Cosine rule cos C = a^2 + b^2  c^2  2ab

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1(the side c is opposite < C , a oppositse <A and b is opposite angle B)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i got 260 over 762? @welshfella

anonymous
 one year ago
Best ResponseYou've already chosen the best response.02.93 ... ? i am confused

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1cos C = (12.5^2 + 15^2  11^2) / (2*12.5*15)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@welshfella i do not think that is right

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1no its not it should be 260.25 / (2*12.5* 15 what do you get that?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sorry, first thing in the morning, takes a minuet to process. but 260.25 / 375 ??

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and cos would be .99968 which isnt an answer

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1so to find angle C use cos1 on your calculator.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it says error when i try

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1260.25 / 375 = 0.694 you need cos1 0.694  have you set ur calculatoe to degrees?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i just dide and the answer is 46.0524!! thank you @welshfella
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