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Mathematics 11 Online
OpenStudy (anonymous):

Quadrilateral OPQR is inscribed in circle N as shown below. What is the measure of ∠QRO? (5 points) ( Picture Below )

OpenStudy (anonymous):

OpenStudy (anonymous):

THIS MAKES OR BREAKS MY GRADE!!!!

OpenStudy (anonymous):

A.41 B.67 C.113 D.139

OpenStudy (anonymous):

@StudyGurl14 @wio

OpenStudy (anonymous):

@mihirb

OpenStudy (studygurl14):

Okay, so opposite angles in inscribed quadrilaterals are supplementary (adding up to 180 degrees). So...set up an equation using angles ROP and RQP. Solve for x: (x + 17) + (6x - 5) = 180 Then...plug the value of x into the equation for angle QRO, which is (2x + 19), and solve

OpenStudy (anonymous):

okay, give me a sec to do it then tell you what i got

OpenStudy (studygurl14):

Okay..

OpenStudy (anonymous):

i got 77 @StudyGurl14

OpenStudy (anonymous):

what did I do wrong

OpenStudy (studygurl14):

The answer is 67. (x + 17) + (6x - 5) = 180 7x+12 = 180 7x = 168 x = 24 (2x + 19) 2(24) + 19 48 + 19 67

OpenStudy (anonymous):

I got it after I looked again thank you so much for your help

OpenStudy (studygurl14):

Yw

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