3. In ∆ABC, if angle A = (2x - 5°),angleB = (5x + 5°) and angle C = (3x + 50°) then find the value of x and angle c
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Answer:
A+B+C=180*(ANGLE SUM PROPERTY)
2X-5+5X+5+3X+50=180
10X+50=180
10X=180-50
X=130/10=13
C=3X+50=3(13)+50
=39+50=89
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