Attempt following question by selecting a choice to answer.
f
What is the measure of each angle of a regular decagon?
ff ffA.
f150
oB.
f135
oC.
f100
oD.
f144
o
f
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