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polygons!

Geometry Level 1

find the value of angles C and E, if pentagon ABCDE is a regular polygon.

this problem appeared in the annual national assessment,term 2,in south africa 2014

c=108,e=36 c=108,e=90 c=46,e=109 c=36,e=108

Excel in math and science

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It's hard to learn from lectures and videos

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including olympiad champions, researchers, and professionals.

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by vilashni mottian

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