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2010 AMC 10B Question 7

AMC10 · 2010 AMC 10B

Question 7

A triangle has side lengths $10,$ $10,$ and $12.$ A rectangle has width $4$ and area equal to the area of the triangle. What is the perimeter of this rectangle?
  1. $16$
  2. $24$
  3. $28$
  4. $32$
  5. $36$