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

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

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

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

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

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

7. There is a triangle XYZ where XY is perpendicular to YZ and angle X = 70 degrees. What is the measure of angle Z?

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

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

10. A right triangle ABC is given where angle B = 90 degrees.

Which side of the triangle is the longest?