1. 
Which of the following statements is true?The sum of all exterior angles in a triangle is always equal to two times the sum of the interior angles in the triangle.

2. 
Under what circumstances are equilateral triangles acute?Always

3. 
Under what circumstances are isosceles triangles equilateral?Only when the isosceles triangle is right

4. 
According to the Exterior Angle Theorem, which of the following is true?Exterior angles are the supplements to interior angles

5. 
Which is true about scalene triangles specifically?They are always acute

6. 
A triangle has angle measurements of 80° and 92°. What is the measurement of the final angle?8°

7. 
Which of the following is false?A triangle can have a maximum of two obtuse angles

8. 
If one of the exterior angles of a triangle equals 73° and one if its interior angles is 29°, what are the measures of its three angles?29°, 78°, 107°

9. 
If two of the interior angles of a triangle add up to 45°, what kind of triangle must it be?Obtuse

10. 
An isosceles can never be which of the following?Equilateral
