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QUESTION
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1)Triangle ABC has angle B = 36°, a = 9, and c = 17. Find side b to the nearest whole number.
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******** Cosine ******
***
* a^2 * *** - ********** ** ***
=
*** * **** * 2(9)(17)cos36° * 81
*
289 * ******* * 12244 b
*
************ *
1107
= 11 ***
***
******* *****
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