In triangle ABC,angle A+angleB=110,angleC+angleA=135 find A
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Step-by-step explanation:
A+b=110 degree_____(1)
A+C=135 degree_____(2)
Angle sum property states
A+B+C=180
110+c=180 (from (1) )
C=70 degree
Put c=70 in (2)
A+70=135
A=135-70
A=65
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