the angles are in the ratio 2: 3 :4
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8
Let the angles be 2x, 3x, 4x
2x + 3x + 4x = 180°(angle sum property)
9x = 180°
x = 20°
2x = 2×20 = 40°
3x = 3×20 = 60°
4x = 4×20 = 80°
Answered by
4
let the angle be x
2x + 3x +4x = 180
9x = 180
x = 180 /9
x = 20
now,
2x = 2×20 = 40
3x= 3× 20 = 60
4x = 4× 20 = 80
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