Question 12
Tony can remove a right-angled corner of a square card with one straight cut, as shown. He makes three cuts, each removing one of the square’s original corners. How many sides does the resulting polygon have?

Diagram convention: the three original corners are trimmed separately; cuts do not erase earlier cut edges or entire original sides.

Diagram convention: the three original corners are trimmed separately; cuts do not erase earlier cut edges or entire original sides.