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kg123 Group Title

Write an equation that could be used to find the measure of angle R. A. 162 = 142 + 102 – 2(5)(6)(cos R) B. 102 = 142 + 162 – 2(14)(16)(cos R) C. 142 = 162 + 102 – 2(16)(10)(cos R) D. 162 = 142 + 102 – 2(14)(10)(cos R)

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    |dw:1389662794333:dw|

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    so how would i type it in a calculator

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    ?

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    ?

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