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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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