An exterior angle of a regular polygon cannot have the measure of Select one:

a. 120

b. 40

c. 50

d. 90

e. 30

Option c 50 cannot be the measure of exterior angle. therefore only the angle which can evenly divides 360 can be the measure of exterior angle.

Yea it most definitely letter c

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answer:
congruent segments
step-by-step explanation:
congruent segments. take a line, cut it in half, superipose one half over the other half; you'll have congruence.