the angle of a triangle are x,x +15degree and 2x -15 degree .find the smallest angle of triangle
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the sum of angles in a triangle is 180°
therefore,
(x) + (x + 15) + (2x-15) = 180°
4x + 15 - 15 = 180°
4x = 180°
x = 45°
x + 15 = 60°
2x - 15 = 75°
so the smallest angle is 45°
therefore,
(x) + (x + 15) + (2x-15) = 180°
4x + 15 - 15 = 180°
4x = 180°
x = 45°
x + 15 = 60°
2x - 15 = 75°
so the smallest angle is 45°
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