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Mathematics 13 Online
OpenStudy (anonymous):

Geometry question

OpenStudy (anonymous):

HERE IS THE PROBLEM

OpenStudy (anonymous):

X=180-98(CYCLIC QUADRLATERAL)

OpenStudy (mertsj):

The opposite angles of a quadrilateral inscribed in a circle are supplementary. So find x by subtracting 98 from 180. What is x?

OpenStudy (anonymous):

which x equals 82

OpenStudy (anonymous):

YES

OpenStudy (mertsj):

Now an inscribed angle, which is x, which is 82 degrees, is half of its arc. So find it's arc.

OpenStudy (anonymous):

y equals 41

OpenStudy (mertsj):

Is 82 half of 41?

OpenStudy (anonymous):

no

OpenStudy (mertsj):

|dw:1339209065582:dw|

OpenStudy (mertsj):

We know that x is 82 (sorry, I labelled it y) So if 82 is half of the arc, you have to figure out what number you can divide by 2 and the answer will be 82

OpenStudy (anonymous):

164

OpenStudy (mertsj):

|dw:1339209196032:dw|

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