10. Test Case for Triangle

1. Check if there are 3 sides
2. Check for the angles and their sum[should be 180degrees]
3. Check if the triangle is equilateral or isosceles or scalene
4. Check if the sides are coinciding or not
5. Check if the triangle is right-angled isosceles, there is a right angle or not.
6. Check if a triangle is right-angled isosceles whether the Pythogaras law is observed.
7. Check if the triangle is acute or obtuse or right-angles
8. Check if the triangle is isosceles, the opposite angles are equal or not.
9. Check if the triangle is equilateral, all the angles are equal or not[i.e., 60degrees]
10. Check if the axioms SAS,SSS are followed.
11. Check if the user is able to draw the 3 circles [interior,exterior,circumcirlce]