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Mathematics 12 Online
OpenStudy (anonymous):

A quadrilateral PQRS is inscribed in a circle, as shown below What is the measure of arc PQR? 190 265 275 340

OpenStudy (anonymous):

OpenStudy (anonymous):

I thought the opposie angles are supposed to equal 180?

OpenStudy (king):

sum of opposite angles are supposed to equal 180

OpenStudy (anonymous):

so how do you solve it?

OpenStudy (king):

no idea!!

sam (.sam.):

\[\sum_{}^{}Interior~~angles=360^{o}\]

OpenStudy (anonymous):

PQR=360-2*85

sam (.sam.):

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