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Since the sum of the angles of a triangle = 180c, then the third angle is 15 degrees,

Since the three angles are all different in size 140,25, & 15, this makes the three sides of different lengths.

Since the three angles are all different then it is a scalene triangles, also one angle is greater than 90 degrees , at 140 degrees. This makes the angle obtuse.

So overall the triangle is an obtuse scalene triangle.

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lenpollock

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1y ago

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