the external angle of a regular polygon is 30degree.its side number is?????

Answer it.
in Other Math Topics by Level 1 User (580 points)

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

The exterior angles add up to 360 degrees. 360/30=12. So the figure is 12-sided (duodecagon).
by Top Rated User (1.2m points)

Related questions

1 answer
Find the measure of an angle in a regular 15-gon polygon.
asked Nov 5, 2013 in Geometry Answers by Kelly Nelson | 857 views
1 answer
how big is each angle of the regular polygon
asked Oct 7, 2012 in Algebra 1 Answers by anonymous | 887 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
732,184 users