The inner angle of a regular polygon is 144º.
a) What is the measure of outer angle at a vertex?
b) What is the sum of m

1 thought on “The inner angle of a regular polygon is 144º.<br />a) What is the measure of outer angle at a vertex?<br />b) What is the sum of m”

1. a ) 180 – 144 = 36°

   b) 360° [ sum of outer angles will be 360]

   c) 360 / n = 36

   n = 10

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