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Moderate

Circles and Inscribed Angles

ACTMAT-RY3SGE

In the figure below, the measure of arc $ {\widehat { AB } } = 140°$ and the measure of arc $ {\widehat { BC } } = 120°.$

What is the measure of $ {\angle ABC} $?

A

$10°$

B

$70°$

C

$110°$

D

$140°$

E

$170°$