Mathematics
Grade9
Easy

Question

What is the perimeter of the given parallelogram

  1. 24 cm
  2. 32 cm
  3. 8 cm
  4. 16 cm

hintHint:

In a parallelogram, opposite sides are equal . perimeter of a polygon = sum of all its sides.

The correct answer is: 32 cm


    32 cm
    In a parallelogram, opposite angles and sides are equal. Therefore, AB= CD and AD = BC
    AD = 4 cm
    And AB = 12 cm.
    The perimeter of the given parallelogram = AB+BC+ CD + DA.
    = 12 + 4 + 12 +  4 = 32 cm.

    We can also directly find out the perimeter by using the property , insteadof finding the alues of AD and AB.
    perimeter = 2 x ( BC + CD)
    this is possible due to the fact that opposte sides are equal in a paarallelogram.

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