2. If length of one side of a square is 5x + 3, what is its perimeter?
3. If length of a rectangle is 3x + 8 and its breadth is 5x + 7, find its perimeter?
4. If one side of an equilateral triangle is 3x + 1, what is the total distance around the triangle?
5. If one side of a regular octagon is 7x + 2, what is its perimeter?
6. If length of a rectangle is 7x + 4 and its breadth is 3x + 6, find its perimeter?
If perimeter of the rectangle is 100, find x.
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