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Mathematics 11 Online
OpenStudy (anonymous):

Which regular polygon would have each of its interior angles measure 144°? heptagon octagon nonagon decagon

Parth (parthkohli):

\( \color{Black}{\Rightarrow\Large {180(n - 2) \over n} \normalsize = 144 }\) Solve for \(n\)

OpenStudy (anonymous):

10

Parth (parthkohli):

Note that \(180(n - 2) \div n \) is the formula to achieve the interior angle in a regular polygon with n sides.

Parth (parthkohli):

Yep.

OpenStudy (anonymous):

how

Parth (parthkohli):

How?

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