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03-03-2017
Mathematics

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Two sides of a regular pentagon are produced to form angle x . What is x ?

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anaguzman anaguzman

03-03-2017

Sum of exterior angles = 360°. One exterior angle of regular pentagon = 360°/5 = 72°. An exterior angle and its corresponding interior angle are supplements. One interior angle = 180° - 72° = 108°.in each angle.

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