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Mathematics 9 Online
OpenStudy (anonymous):

What is the area of a regular decagon whose side is 3.6 and whose apothem is 5.54? 19.94 79.94 89.72 99.72

OpenStudy (anonymous):

19.94

OpenStudy (anonymous):

No.. Its 19.94(: Really , @Annetta_Martin , Its 19.94(:

OpenStudy (anonymous):

Yeah, I just did the math and I got 19.94 as well. Thanks girl!

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