(3) The angles
of a triangle
are( 2x),(3x+5),(4x-14)
Find the angles
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Answer:
sum of Angles of a triangle=180
=2x+(3x+5)+(4x-14)=
=2x+3x+4x+5-14=180
=9x-9=180
=9x=180+9
=x=189/9
=x=21
2x=2×21=42
3x+5=3×21+5=63+5=68
4x-14=4×21-14=84-14=70
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