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Delvig [45]
2 years ago
9

1) A square has a side length of 3x. Find the perimeter as an algebraic expression.

Mathematics
1 answer:
grin007 [14]2 years ago
7 0
1) A square has 4 congruent sides, and the perimeter is the sum of these 4 sides. So perimeter = 3x+3x+3x+3x, which can also be expressed by 4(3x), simplified, it equals to 12x.
2) x^2 + 6x + 8
3) x^2 - 4x - 12
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