The external angles of a polygon total 360° .
Therefore each external angle of a regular decagon measures 360/10 = 36°
Therefore each INTERNAL angle measures 180 - 36 = 144°
Chat with our AI personalities
Decagon is a geometry term that refers to a polygon that has 10 sides and 10 angles. The angles of a decagon measure 144 degrees.
angle BLD is 72 degrees.
Each exterior angle of a regular polygon with n sides is 360/n degrees. So, for a decagon, it would be 360/10 = 36 degrees.
A decagon is a polygon with 10 sides. In a decagon, each interior angle measures 144 degrees. An acute angle is an angle that measures less than 90 degrees. Since all the interior angles of a decagon are 144 degrees, there are no acute angles in a decagon.
A decagon is a 10 sided polygon