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Two copies of any triangle can be joined to make a parallelogram, as in the pattern shown. What does this tell us?

Class 7Tiling PatternsGeometry
  • AEvery triangle can tile a floor
  • BOnly equilateral triangles can tile
  • CNo triangle can tile
  • DOnly right triangles can tile

Step-by-Step Solution

Two copies of any triangle make a parallelogram, and parallelograms fit in rows with no gaps. So copies of ANY triangle can tile.
Answer: A) Every triangle can tile a floor

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