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two part question!
A Find the measure of in the triangle. Do not use a calculator 513 5 0 5 С o B=

Find the exact length of the unknown side of the triangle shown to the right. Do not use a calculator 9 160 24 (Simplify your

a 9 60° 24
0 0
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Answer #1

A 563 - 5 o B 5 C In ole ABC : Let BC b=5 AB= a=5 AC-C=583. Applying cosine formula: o = cos => 0 = Cos/5945! - (558) aab aIn sle ABC, оп a Ac= 60° C ДА В д det AB = a.? C = 9 Вс - ь ЗА ва бо Using Cosine rule: a = -Ј БР. с од 9 а (ә4 ) ( ) (о 4 6

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