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The perimeter is the sum of all segments that make up a closed figure. You need to know what type of figure you are talking about - for example, a rectangle, triangle, etc. You also need to have enough information to calculate the length of each side. Once you have those, you can add them.
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What is 2x-1 plus 2x-1 plus 2x-1 plus 2x-1?
8x-4
Why does the perimeter of a square double when you double the sides of a square?
The perimeter is the sum of the sides. So if a square has a side of length 1, its perimeter is 1+1+1=1 = 4 If a square has a side doubled to length 2, its perimeter is 2+2+2+2 = 8, or double what it was before. Mathematically, if each side is length x it perimeter is x + x + x = X = 4x If each side is length 2x, its perimeter is 2x +2x+2x+2x = 8x
If the sides of a triangle are represented by 2x x plus 5 and 3x-6 what would be the perimeter of the triangle in terms of x?
Perimeter is the sum of side lengths. P = 2x + (x+5) + (3x-6) = 6x - 1.
Factor completely 4x2 plus 4x plus 1?
(2x + 1)(2x + 1) or (2x + 1)2
What is the perimeter of the of the square with side 2x and x plus 25?
I'm assuming that you meant the perimeter of a rectangle, not a square...The equation for the perimeter would be 2x + 2x + x + 25 + x + 25.You combine the like terms, and get 6x + 50.So the answer is 6x + 50.
