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Rectilinear Figures, SM-Bank 021 MC

The rhombus below has a side length \(\large d\).

Which expression cannot be used for the perimeter?
  1. \(2\times (d+d)\)
  2. \(d\times 4\)
  3. \(d\times d\)
  4. \(d+d+2d\)
Show Answers Only

\(C\)

Show Worked Solution

\(\text{Perimeter}=4\times d=4d\)

\(\text{Options A, B and D}=4d\)

\(\text{Option C}=d\times d=d^2\ne 4d\)

\(\Rightarrow C\)