1. What is the third angle of the triangle, if angle1 = 45° and angle2 = 45°?

45° 90° 60°

2. If a triangle has an angle of 90°, what is it called?

Acute Obtuse Right

3. A triangle can have ______.

1 right angle 2 right angle 3 right angle

4. Which of the following triangles have the same side lengths?

Scalene Isosceles Equilateral

5. Which of the following triangles have the same side lengths?

20 cm 8 cm 10 cm