Problem 1 · 2023 Math Kangaroo
Easy
Spatial & Visual Reasoning
gridspatial-reasoning
The diagram shows a grid made of vertical and horizontal lines. Which part was cut from the grid?
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Answer: E
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Hint 1 of 2
Look at the hole in the grid and count the rows and columns of small cells it spans.
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Hint 2 of 2
Match the exact pattern of lines inside the hole — not just its outline — to one of the five pieces.
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Approach: match the cut-out's internal line pattern to a choice
- The missing region has a fixed size and a specific arrangement of internal horizontal and vertical lines.
- Check each option for the same number of crossing lines and the same dimensions as the hole.
- Only piece E reproduces that exact line pattern.
- So the part cut from the grid is E.
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