Acute - less than 90 degrees
Right - exactly 90 degrees
Obtuse - more than 90 degrees but less than 180 degrees
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scalene triangle
scalene
All three angles have different values. The sum of the three interior angles is 180 degrees.
it has 3. any triangle has three angles hence the name tri=three angles
Yes, as long as they all add up to 180 degrees. A triangle cannot have 2 right angles. A triangle with three different angles is called a scalene triangle.