Question

Which of the four figures shown on the right exactly fit the figure shown on the left? 

• A. I and II
• B. II and III
• C. I and IV
• D. None of the above options

Hint:

For “which piece fits” tasks, ignore orientation. Check invariants—corner angles and step sequence. If they match, some rotation/reflection will make it fit.

Answer 1

The Correct Option is A, B, C

The left silhouette is a “stair–step’’ strip. Any candidate with the same sequence of steps, corner angles, and tail length will fit after a rigid motion (rotation/flip/translation).
Pieces I, II, III, and IV are each congruent to the gap by a rotation and/or reflection, so every pair listed in (A), (B), and (C) is correct; (D) is not. \[ \boxed{\text{Correct choices: A, B, C.}} \]