7th Class Mathematics Mensuration Question Bank Mensuration (Perimeter & Area)

  • question_answer
    The area of a parallelogram is \[65\text{ }c{{m}^{2}}\]and its altitude is\[6.5\text{ }cm\]. Find the area of a rectangle having the same base.

    A)  \[30\text{ }c{{m}^{2}}\]                            

    B)  \[\text{72 }c{{m}^{2}}\]       

    C)  \[\text{63 }c{{m}^{2}}\]                

    D)  \[65\,c{{m}^{2}}\]

    Correct Answer: D

    Solution :

    (d): Trivial Logic \[\to \] All parallelograms (including rectangle) having same base and lying between same parallel lines have equal area. Therefore, without going into calculations, we can say that rectangle also will have area \[=65\text{ }c{{m}^{2}}\]


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