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OpenStudy (anonymous):
Which of these statements is true? A. The interior angles of both a regular and irregular pentagon have a sum of 540 Degrees. B. The interior angles of both a regular and irregular pentagon have a sum of 1,080 Degrees. C. Only a regular pentagon's interior angles have a sum of 540 Degrees. D. Only an irregular pentagon's interior angles have a sum of 540 Degrees.
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OpenStudy (anonymous):
A
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