Triangle Quiz

1. How many sides does a triangle have?

4 2 3

2. What is the third angle for the triangle where angle1=45° and angle2=70°?

70° 60° 65°

3. A triangle has angles 60°, 60°, 60°. Is it an equilateral triangle?

Yes No

4. If a triangle has an angle of 90 degrees, what is it called?

obtuse acute right angled

5. If a triangle has 2 angles of 45°. What is the measure of third angle in degree?

60° 45° 90°

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

Yes No

7. If a triangle has sides of 2cm, 3cm, 4cm, what is the type of triangle?

Scalene Isosceles Equilateral

8. If a triangle has angles 25°, 75°, 80°. Is it an acute angled triangle?

Yes No