A road sign is in the shape of a regular decagon. What is the measure of each angle on the sign?

1 Answer
Aug 4, 2017

See below

#m/_=144^o#

Explanation:

the formula to find the measure of the interior angles of a regular polygon is

#m/_=[(n-2)*180]/n" "# where #n=# the number of sides

A decagon has #10# sides so #n=10#

#m/_=[(10-2)*180]/10#

#m/_=[(8)*180]/10#

#m/_=1440/10#

#m/_=144^o#