10th grade

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perimeter of a regular pentagon with side measurements of 57 centimeters

  • 10th grade -

    Doesn't a regular pentagon have 5 equal sides?
    And isn't one of those equal sides equal 57 cm?
    And isn't 'perimeter' all the way around?

    Ahh, the quandary

  • 10th grade -

    Bran...
    Perimeter=all sides added up.
    Pentagon=5 sided
    Each Side=57 cm

    57x5=?

    285 Centimeters

  • 9th grade -

    Find the perimeter of a regular pentagon with a side measure of 57 centimeters.
    A. 285 cm B. 649 cm
    C. 228 cm D. 342 cm

  • 10th grade -

    285 cm

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