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Earn +20 ptsQ: What is the perimeter of the length is 2x - 1in?
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What is the perimeter of the square in terms of x the length of each side is 2x-1in?
3
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 a rectangular pentagon has a ide of length 2x 1 what is the perimeter of the pentagon?
22
The width of a rectan is 4the perimeter is 105find the length?
Let the length be known as x: 2(x+4) = 105 2x+8 = 105 2x = 105-8 2x = 97 x = 48.5 Length = 48.5 units
When the perimeter of a rectangle is 128m the lengeth is 7m than twice the widethfind the length and the wideth?
Let the length be 2x+7 and the width be x: 2(length+width) = perimeter 2(2x+7+x) = 128 4x+14+2x = 128 4x+2x = 128-14 6x = 114 x = 19 Therefore: length = 45m and width = 19m Check: 45+45+19+19 = 128m
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