Each exterior angle of a regular decagon has a measure of (3x + 6)°. What is the value of x? open study

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04-05-2017
Mathematics

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Each exterior angle of a regular decagon has a measure of (3x + 6)°. What is the value of x? open study

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irspow irspow · Answer 1 · 2017-05-04T13:55:09+02:00

irspow irspow

04-05-2017

The sum of exterior angles for a polygon is 360°. This is a decagon, having ten sides, so each exterior angle will be 360/10=36°, so we can say:

3x+6=36 subtract 6 from both sides

3x=30 divide both sides by 3

x=10°

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josephcortez512 josephcortez512 · Answer 2 · 2021-05-06T12:30:54+02:00

josephcortez512 josephcortez512

06-05-2021

Answer:

B. x=10

Step-by-step explanation:

Just took the quiz on Edg (2020-2021)!

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