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Stels [109]
3 years ago
7

An equilateral triangle has a perimeter of 12x+18 units. Which expression can be used to show the length of one side of the tria

ngle?
Mathematics
1 answer:
SpyIntel [72]3 years ago
8 0
Perimeter is the sum of all of the sides. Triangles have three, so the expression to use is 12x + 18/3, or 4x + 6.
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Answer:

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the sum of the interior angle in a polygon is 40,500° what is the number of sides in the regular polygon
larisa86 [58]

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Step-by-step explanation:

The sum of the interior angles of a convex polygon is S=180(n-2) where n is the number of sides. If S=40500, then we have our equation 40500=180(n-2) and we can solve for n:

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