the interior angles of a traingle are (3x-10),(3x+10),(3x).find the angles
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by angle sum property of triangle we know that all angles of triangle add upto 180°.
so,3x+10+3x+10+3x=180°
9x+20=180
9x=160°
x=17.7°
now substitute the value of x to get the desired angles
so,3x+10+3x+10+3x=180°
9x+20=180
9x=160°
x=17.7°
now substitute the value of x to get the desired angles
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