1. How many elements are there in a triangle?
2. How many vertices does a triangle have?
3. How many sides are there in a triangle?
4. How many angles are there in a triangle?
5. If two sides of a triangle are not equal, the triangle is called
6. If two sides of a triangle are equal, the triangle is called
7. If all the three sides of a triangle are equal, the triangle is called
8. If all the angles of a triangle are acute, the triangle is called
9. If one angle of a triangle measures 90°, the triangle is called
10. If one angle of a triangle is obtuse, the triangle is called