49. a road sign is in the shape of a regular decagon. what is the measure of each angle on the sign? round to the nearest tenth.
(1 point)
1,440°
144°
72°
216°

There is a formula to determine the size of each interior angle of the polygon with sides n.



A decagon is a polygon with 10 sides. So, we substitute n with 10.



Angle = 144 degrees

Thus, the each angle of the sign's side is 144 degrees.

I hope I was able to explain it clearly. Have a good day.