Q. A sufficient condition that a triangle T be a right triangle is that a2 + b2 = c2. An equivalent statement is (Solved)
1. If T is a right triangle then a2 + b2 = c2.
2. If a2 + b2 = c2 then T is a right triangle.
3. If a2 + b2 6= c2 then T is not a right triangle.
4. T is a right triangle only if a2 + b2 = c2.
- b. If a2 + b2 = c2 then T is a right triangle.