vaseaora vaseaora

03-01-2020
Mathematics

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please thank you for help

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Respuesta :

kenlingdad kenlingdad

03-01-2020

Answer:

1. 67.5°

2. 12 sides

Step-by-step explanation:

1. interior angle of regular octagon: 180° x (8 - 2) = 1080°

each interior angle : 1080° / 8 = 135°

∠x = 1/2 x 135° = 67.5°

2. sides of regular polygon = 360/m of exterior angle

360 / 30 = 12

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