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100 degree, 40 degree and 40 degree.
It is: 180-interior angle = exterior angle
The third angle is 68 degrees which makes it a scalene triangle
An isosceles triangle can have a 90 degree angle, but doesn't necessarily. Similarly, a right triangle can be an isosceles triangle, but isn't necessarily.
The interior-angle sum of every triangle is 180 degrees. Every triangle is the same. 360 degrees because if you add the angles in any shape the answer is 360