Triangle Quiz

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

45° 60° 90°

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

Acute Obtuse Right Angled

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

Yes No

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

Yes No

5. If a triangle has angles 90°, 60°, 30°. Is it a right angle triangle?

Yes No

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

Equilateral Isosceles Right Angled