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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

1. Angles of Polygons

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Exercise 1 Page 479

Recall the Polygon Interior Angles Sum Theorem.

1440

Practice makes perfect

Recall the Polygon Interior Angles Sum Theorem.

Polygon Interior Angles Sum Theorem
The sum of the measures of the interior angles of an n-gon is (n-2)180.

A decagon has 10 sides which means we should substitute n= 10 into the formula and evaluate. ( 10-2)180=1440

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Exercises p.479-483