Attempt following question by selecting a choice to answer.
c
What is the measure of each angle of a regular decagon?
DDD cccA.
c150
oB.
c135
oC.
c100
oD.
c144
o
cc
D
Step 1: The measure of each angle in a regular polygon = (n - 2) x 180/n.
Step 2: A decagon has 10 sides.
Step 3: So, the measure of each angle of a regular decagon = (10 - 2) x 18010.[Substitute 10 for n.]
Step 4: [Simplify.]= 144o