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# How to find the perimeter of a parallelogram with two adjacent sides of 18 and 20cm?

**Given:** Two adjacent side of parallelogram is 18cm and 20cm.

**To do:** Find the perimeter of the parallelogram.

**Solution:**

Perimeter of parallelogram

$=> P=2(a+b)$.

Here a and b are sides of parallelogram.

So, $ P = 2(18+20)$

$P = 76$ units

**Therefore the perimeter of the parallelogram is 76**

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