A road sign is in the shape of a regular heptagon. What is the measure of each angle on the sign? Round to the nearest tenth.
128.6
900
64.3
231.4

Question

A road sign is in the shape of a regular heptagon. What is the measure of each angle on the sign? Round to the nearest tenth.  
128.6
900
64.3
231.4

anonymous · Answer

A

anonymous · Answer

I think the multitude of questions from kamuela means there is very little understanding is taking place.  Perhaps K needs to ask specific questions on how to solve the problem rather than getting answers for homework.

anonymous · Answer

MrYantho - you have a good point. However, it is up to the people to do effort part.

anonymous · Answer

Sum of all angles of a polygon is governed by the relation 
  S = 180*(n-2)
where n is the no of sides in the polygon (n greater than or equal to 3)
for heptagon n = 7.

therefore each angle measure = 180*(n-2)/n = 180*(7-2)/7 = 180*5/7
                                                         = 900/7
                                                          = 128.57142857...
                                  therefore approximately 128.6.
                                   Thus option A.