In triangle abc,angle a= 60° and angle b=40° find its longest side
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all angles of a triangle is 180
angle A+angle B+angle C=180
60. + 40. +angle C=180
100+angle C=180
angle C=180-100
angle C=80
therefore, angle C is a greater angle i triangle
angle A+angle B+angle C=180
60. + 40. +angle C=180
100+angle C=180
angle C=180-100
angle C=80
therefore, angle C is a greater angle i triangle
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