1. If a triangle has angles 25°, 75°, 80°. Is it an acute triangle?
2.In an equilateral triangle, what is the sum of any two of its angles?
3. If a triangle has 2 angles of 75°. What is the measure of third angle in degree?
4. If a triangle has 2 sides with equal lengths and 60° angle between them. What is the type of triangle?
5. If the measure of one angle of a triangle is 95, then which of the following cannot be the measure of remaining angles?
6. If a triangle has sides of 5cm, 3cm, 4cm, what is the type of triangle.
7. If a triangle has angles 135°, 15°, 30°. Is it an obtuse triangle?
8. If a triangle has angles 115°, 25°, 40°. Is it an acute triangle?
9. If a triangle has angles 90°, 60°, 30°. Is it a right angle triangle?
10. A triangle has angles 60°, 60°, 60°. Is it an equilateral triangle?