rosa73
rosa73
16-09-2017
Mathematics
contestada
What The length of AC?
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caylus
caylus
16-09-2017
If Angle C is 53° then angle A=42°
sin 42°/85=sin 85°/AC
==>AC=sin 85° *85 /sin 42°=126.54711....
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EmaNekaf
EmaNekaf
16-09-2017
A= 42 ° . 180- 138= 42. You get 138 from adding the angles given together (85+53)
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