Given:
The objective is to find the numbers representing the three sides of a triangle.
The general condition for three sides of a triangles is,
In option (a),
Thus, option (a) cannot form a triangle.
Now, in option (b),
Thus, option (b) cannot form a triangle.
Now, in option (c),
Thus, option (c) can form a triangle.
Now, in option (d),
Thus, option (d) cannot form a triangle.
Hence, option (c) is the correct anwer.