The circle has been divided into 2, 3, 4, 6, 8 and 12 parts below. What are the degree measures of the resulting angles? Do not use protractor to answer this question.
Circles
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Question

The circle has been divided into 2, 3, 4, 6, 8 and 12 parts below. What are the degree measures of the resulting angles? Do not use protractor to answer this question.

KnowledgeBoat · Accepted Answer

The total angle at the centre of a circle is 360°. When divided into n equal parts, each angle = . (i) Circle divided into 2 equal parts: Each angle = = 180° (ii) Circle divided into 3 equal parts: Each angle = = 120° (iii) Circle divided into 4 equal parts: Each angle = = 90° (iv) Circle divided into 6 equal parts: Each angle = = 60° (v) Circle divided into 8 equal parts: Each angle = = 45° (vi) Circle divided into 12 equal parts: Each angle = = 30°

Mathematics

The circle has been divided into 2, 3, 4, 6, 8 and 12 parts below. What are the degree measures of the resulting angles? Do not use protractor to answer this question.

Circles

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