Year 7 - Q8.3.03
20579
The diagram shows four pieces made from equal unit squares. Which of B, C and D is congruent to A? A and B are L-shaped three-square pieces, C is a \(2\times2\) square, and D is a straight three-square strip. Explain how a turn or flip helps you decide.
Hint
The arrangement of the squares matters as well as the count.