1 ) A triangle with one 90° angle is called

Acute Right Obtuse

2 ) The sum of interior angles of a triangle add up to

90° 360° 180°

3 ) A triangle where all sides are congruent is called

Equilateral Isosceles Scalene

4 ) What is the third angle for the triangle where angle1 = 45° and angle2 = 45°?

45° 90° 60°