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18-04-2021
Mathematics

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Work out the size of the interior angle of a regular 18-sided polygon.

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mathstudent55 mathstudent55

18-04-2021

Answer:

160°

Step-by-step explanation:

The formula below gives the measure of an interior angle of a regular polygon of n sides.

[(n - 2)180]/n

[(18 - 2)180]/18

16(10)

160

Answer: 160°

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