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Write a program that asks for length L and the width W of a rectangle, then compute perimeter and area of the rectangle. Make sure that L and W are...

Q7: Write a program that asks for length L and the width W of a rectangle, then compute perimeter and area of the rectangle. Make sure that L and W are positive numbers.
perimeter = (length + width) * 2
area = length * width

With explanations PlZ

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