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What The length of AC?
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What The length of AC?

What The length of AC?-example-1
User Fodon
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A= 42 ° . 180- 138= 42. You get 138 from adding the angles given together (85+53)
User Adayzdone
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If Angle C is 53° then angle A=42°

sin 42°/85=sin 85°/AC
==>AC=sin 85° *85 /sin 42°=126.54711....
User Stefano Fratini
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