leysibaby14 leysibaby14

04-11-2016
Mathematics

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Find the measures of an interior angle and an exterior angle of a regular 20 gon

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04-11-2016

A = (20-2) × 180
A = 3240 ÷ 20
A = 162°

exterior = 18°
interior = 162°

i am a mathematics teacher. if anything to ask please pm me

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