4th Class Mathematics Area, Perimeter and Volume Question Bank Perimeter & Area

  • question_answer The figure shows a rectangular field. The length of the field is twice its breadth. Find the perimeter, of the field.

    A)  24 cm            

    B)    72 cm

    C)    36 cm            

    D)    288 \[\text{c}{{\text{m}}^{\text{2}}}\]

    Correct Answer: B

    Solution :

    Length of the field = 2 \[\times \] Breadth \[=\text{2}\times \text{12 cm }=\text{24 cm}\] Perimeter \[=\text{ 2}\times (l+\text{b})\text{ unit}\] \[=\text{ 2}\times \text{(12}+\text{24) cm }=\text{ 2 }\times \text{ 36 cm }=\text{ 72 cm}\]


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