In triangle ABC if angle A= 2x-5 angle B= 5x+5,angle C= 3x+50, then find the all angles
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angle A + angle B + angle C = 180(angle sum property)
2x-5+5x+5+3x+50=180
10x + 50 = 180
10x=180-50
10x=130
x= 130/10
x = 13
angle A = 2x 13 -5
= 26 - 5
= 21
angle B = 5 x 13 + 5
= 65 + 5
= 70
angle c = 3x 13 +50
= 39 +50
= 89
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