जॉइन Examsbook
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प्र: What is the number of rectangles in the following figure?

  • 1
    6
  • 2
    7
  • 3
    9
  • 4
    11
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उत्तर : 3. "9"
व्याख्या :

Answer: C) 9 Explanation: The simplest rectangles are AEHG, EFJH, FBKJ, JKCL and GILD i.e 5 in number. The rectangles composed of two components each are AFJG and FBCL i.e 2 in number Only one rectangle namely AFLD is composed of three components and only one rectangle namely ABCD is composed of five components. Thus, there are 5 + 2 + 1 + 1 = 9 rectangles in the given figure.

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