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Mathematics 18 Online
OpenStudy (anonymous):

What is the measure of arc RC? 30° 60° 90° 120°

OpenStudy (anonymous):

OpenStudy (anonymous):

How can arc RC have a measure in degrees?

OpenStudy (anonymous):

I don't know :(

OpenStudy (anonymous):

Can you tell me how?

OpenStudy (anonymous):

The inscribed triangle is an equilateral triangle. So all those arcs must have equal measure throughout the circle: 360/3 = 120 degrees.

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

youre welcome.

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