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Mathematics 15 Online
OpenStudy (anonymous):

What is the measure of ?

OpenStudy (anonymous):

Directrix (directrix):

What is the measure of ? What is the measure of what?

OpenStudy (anonymous):

OpenStudy (anonymous):

what is the measure of JK

Directrix (directrix):

The measure of arc JK.

OpenStudy (anonymous):

yes

Directrix (directrix):

If a diameter is perpendicular to a chord, the the diameter bisects the chord and its arcs.

Directrix (directrix):

Arc MK = 55, Arc JKM is a semicircle and has measure 180. So, Arc JK = ? See attached.

Directrix (directrix):

@ivannnv What is 180 - 55 =

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