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Mathematics, 31.08.2019 00:00 myla18jabbar

Which of these statements is true?
the interior angles of both a regular and irregular pentagon have a sum of 540o.
the interior angles of both a regular and irregular pentagon have a sum of 1,080o.
only a regular pentagon’s interior angles have a sum of 540o.
only an irregular pentagon’s interior angles have a sum of 540o.

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