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What is the least number of straight lines needed to draw this figure?

Competition practiceCounting Figures
  • A8
  • B10
  • C12
  • D14

Step-by-Step Solution

A straight line can run through crossing points, so count each full straight stroke once: 4 sides, 2 diagonals, 2 mid-lines and 4 sides of the inner rhombus: .
Answer: C) 12

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