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. Find the perimeter of a regular pentagon with each side measuring 4.5 inches.

Sagot :

Akandzidn

Answer: 22.5 inches

Step-by-step explanation:

  • the general formula for finding perimeter is [tex]p=s+s+s...[/tex]
  • a pentagon contains 5 sides

[tex]p=s+s+s+s+s[/tex]

  • note that this is a regular pentagon so it must contain 5 congruent sides
  • each side will be 4.5 inches
  • the formula can be changed to [tex]5(s)[/tex] and solved:

[tex]5(4.5 in)=p[/tex]

∴ 22.5 inches = perimeter of the pentagon

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