the angles of a triangle are (2x+10)° , (x+20)° and x°.Find the value of 'x'.Assign a special name to the triangle.
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angle sum property
a°+b°+c°=180°
2x+10+x+20+x=180
4x+30=180
4x=150
x = 75/2
x = 37.5
Scalene triangle.
a°+b°+c°=180°
2x+10+x+20+x=180
4x+30=180
4x=150
x = 75/2
x = 37.5
Scalene triangle.
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