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AVprozaik [17]
3 years ago
11

A regular pentagon with a perimeter of 21 inches is dilated by a scale factor of

Mathematics
2 answers:
levacccp [35]3 years ago
5 0
<h3>Answer: 35 inches</h3>

Each side of the pentagon is multiplied by 5/3 to get the length of each new side, so the perimeter is multiplied by 5/3 to get the new perimeter.

New perimeter = (scale factor)*(old perimeter)

New perimeter = (5/3)*(old perimeter)

New Perimeter = (5/3)*(21)

New Perimeter = (5/3)*(21/1)

New Perimeter = (5*21)/(3*1)

New Perimeter = 105/3

New Perimeter = 35 inches

Maslowich3 years ago
5 0

Answer:

it is 35 for ttm

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