In a polygon is the sides are produced in order we will get the exterior angles as shown below. The exterior angles are marked as A, B, C, D, E, F
Sum of exterior angles of a polygon for any number of sides = 3600
Regular Polygon:
A regular polygon is a polygon which has sides of equal length and all interior angles are also equal. All the exterior angles are also equal. So if there is a regular polygon of n sides where n>= 3 then its each exterior angle
Illustration: Find the sum of exterior angles of a 15 sided polygon.
Solution:The sum of exterior angle of a polygon is independent of the number of sides
Hence the sum of exterior angles of a 15 sided polygon is 3600.
Illustration: How many sides does a regular polygon has if its each exterior angle is a measure of 240?
Solution:Let us suppose the polygon has n sides
How many sides a regular polygon has whose each exterior angle is 45? | |||
Right Option : A | |||
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The following figure shows a polygon with all its exterior angles. The value of x is : | |||
Right Option : B | |||
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How many sides a regular polygon has whose each exterior angle is 40? | |||
Right Option : B | |||
View Explanation |
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