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Mathematics 16 Online
OpenStudy (anonymous):

idk how to work this out A quadrilateral PQRS is inscribed in a circle, as shown below. What is the measure of arc PQR? Answer 70° 110° 140° 220°

OpenStudy (anonymous):

this is hard lol

OpenStudy (savvy):

haha....the figure..???

OpenStudy (anonymous):

yes only the angle is 70

OpenStudy (anonymous):

right.

OpenStudy (savvy):

110

OpenStudy (anonymous):

how did you get that like how did you work it out

OpenStudy (savvy):

the quadrilateral is a cyclic quad. which has the sum of its opposite angles as 180.

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