the triangle of a triangle are (2x+3), (x-16) and (3x+13), find all the angles of the triangle
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Step-by-step explanation:
=2x +3 + x -16+3x+13=1
=7x-13+13=180
=x 180
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6
=30
A=30×2=60+3=63
B=30-16=14
C=30×3=90+13=103
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