The correct option is C If the question can be answered by using both the statements together, but cannot be answered by using either statement alone.
The problem statement gives the relationship between the 3 sides by stating it is a right angled triangle.
The first statement will give the product of base and height.
The second statement gives the sum of all the sides.
We have 3 equations and 3 unknows, i.e, the question can be solved using both the statements. C