For each correct answer you will be awarded 1 point

1. What is the third angle for the triangle where angle1 = 45° and angle2 = 45°?

   45° 90° 60°

2. If a triangle has angles 135°, 15°, 30°. Is it an obtuse triangle?

   YES NO

3. If a triangle has angles 115°, 25°, 40°. Is it an acute triangle?

   YES NO

4. If a triangle has angles 90°, 60°, 30°. Is it a right angled triangle?

   YES NO

5. If a triangle has 2 sides with equal lengths and 75° angle between them. What is the type of triangle?

   Equilateral Scalene isosceles

6. If a triangle has 2 angles of 75°. What is the measure of third angle in degree?

   25° 30° 15°

7. If a triangle has 2 sides with equal lengths and 60° angle between them. What is the type of triangle?

   Equilateral Isosceles Both

8. The perimeter of an equilateral triangle is 15cm. What is the length of one side?

   5cm 15cm 7cm

9. There is a right triangle PQR where: angle Q = 90°; angle P = angle R. What is the measure of angles P and R?

   85° 65° 45°

10. A scalene triangle has ___ lines of symmetry.

    two no infinite