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What is the size of one interior angle of a regular octogon

User Mithuzz
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1 Answer

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19 votes

The sum of exterior angles of a regular octagon

=360°

Each exterior angle of a regular octagon

=360°/8

=45°

Each interior angle of a regular octagon

=180°-45°=135°

Hope it helps you : )

User Fereshteh
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