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Two regular 12-sided polygons meet at a point, as shown. Each of their angles is 150°. Which regular shape fills the gap exactly?

Class 7Tiling PatternsGeometry
  • ARegular pentagon
  • BRegular hexagon
  • CEquilateral triangle
  • DSquare

Step-by-Step Solution

° = 300°. The gap is 360° − 300° = 60°, the angle of an equilateral triangle.
Answer: C) Equilateral triangle

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