#Please Help if you know SOHCATOA

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indigo wren
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I have been sick and I have fell behind...

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brave pelican
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27+ 90 + B = 180 (angle sum property in triangle)
B = 63

For finding sides, use sine rule or cosine rule
Sine rule ,,,, BC/ sinA = AB/ sinC =AC/sinB
12/sin27 = AB/sin90 ( find AB)
AB/sin90 = AC/sin63 (find AC)