Problem 5 · 2015 Math Kangaroo
Easy
Spatial & Visual Reasoning
spatial-reasoning

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Answer: B
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Hint 1 of 2
Mark everything that is far enough from the hedge, then keep only the part close enough to the tree.
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Hint 2 of 2
The answer is the overlap: outside the 5 m strip along the hedge and inside the 5 m circle around the tree.
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Approach: intersect the two distance conditions
- “At least 5 m from the hedge” removes a 5 m strip next to the hedge.
- “No more than 5 m from the tree” keeps a disc of radius 5 m around the tree.
- The valid spot is where both hold: the part of the tree's disc lying beyond the hedge strip.
- The picture matching this overlap is (B).
Mark:
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