三 Regular Polygon Number of Number of Triangles Formed (n-2) Sum af Interior Angles (n-2)x180 Measure of Measure of Exterior Angles Sides Each Interior Angles In-2)x180/ 1980 3240

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter12: Angle Relationships And Transformations
Section12.3: Angles And Polygons
Problem 8E
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Determine the number of sides of a polygon given the sum of the measures of
interior angles of a regular polygon.
Number of Number of
Triangles
Formed
(n-2)
Measure of Measure of
Each
Interior
Angles
(n-2)x180/
Regular
Polygon
Sum of
Interior
Angles
(n - 2)x180
Sides
Exterior
Angles
1980°
3240
Transcribed Image Text:Determine the number of sides of a polygon given the sum of the measures of interior angles of a regular polygon. Number of Number of Triangles Formed (n-2) Measure of Measure of Each Interior Angles (n-2)x180/ Regular Polygon Sum of Interior Angles (n - 2)x180 Sides Exterior Angles 1980° 3240
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