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The perimeter of a rectangle is 36 cm and its length is 11 cm. Find its area (in ).

Competition practiceAreas & Volumes
  • A77
  • B154
  • C85
  • D69

Step-by-Step Solution

Length + width = 36 ÷ 2 = 18 cm, so width = 18 − 11 = 7 cm. Area = .
Answer: A) 77

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