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Note: This problem has dynamic elements. This means elements such as numbers and consequently the step-by-step solution and the final answer may change overtime. Therefore, there may be a difference between a problem that is published online and the same problem exported into a PDF document.
The length of each side a is 7 cm. That is:
The size of each angle is . That is :
The perimeter is:
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. Calculate the:
. That is :
