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Mathematics, 27.07.2020 22:01 lllmmmaaaooo

A square and a regular heptagon are coplanar and share a common side $\overline{AD}$, as shown. What is the degree measure of exterior angle $BAC$? Express your answer as a common fraction.

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A square and a regular heptagon are coplanar and share a common side $\overline{AD}$, as shown. What...
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