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34 votes
34 votes
One exterior angle of a regular pentagon has a measure of (2x)°. What is the value of x?

x = 18
x = 20
x = 30
x = 36

User SharePoint Newbie
by
3.1k points

2 Answers

19 votes
19 votes

Answer: D x=36

Step-by-step explanation:i took the test;)

User Ray Shan
by
2.9k points
6 votes
6 votes

Answer:

x = 36

Explanation:

the sum of the exterior angles of a polygon = 360°

the 5 exterior angles of a regular pentagon are congruent , then

exterior angle = 360° ÷ 5 = 72° , then

2x = 72 ( divide both sides by 2 )

x = 36

User Androo
by
2.7k points
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