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Mathematics 10 Online
OpenStudy (shesolitt):

Quadrilateral OPQR is inscribed in circle N, as shown below. Which of the following could be used to calculate the measure of ∠PQR?

OpenStudy (shesolitt):

OpenStudy (shesolitt):

@sleepyhead314 @Ryan361 @Elenathehomeschooler

OpenStudy (jdoe0001):

http://www.mathopenref.com/quadrilateralinscribedangles.html <--- any ideas?

OpenStudy (shesolitt):

a little im thinking its A or B @jdoe0001

OpenStudy (jdoe0001):

what makes you think is A or B?

OpenStudy (shesolitt):

because it equals to 180.... lol i think am i wrong?? @jdoe0001

OpenStudy (jdoe0001):

well... how would YOU find \(\measuredangle PQR?\)

OpenStudy (shesolitt):

i add Q & R together ? @jdoe0001

OpenStudy (shesolitt):

which that makes it A? @jdoe0001

OpenStudy (jdoe0001):

Q and R? how much is Q +R? what's the angle of it?

OpenStudy (shesolitt):

180?

OpenStudy (jdoe0001):

hmmm is it? check the conjecture again

OpenStudy (shesolitt):

wait so it would 360?

OpenStudy (jdoe0001):

is it?

OpenStudy (shesolitt):

im really confused on this question

OpenStudy (shesolitt):

idk lol.......

OpenStudy (jdoe0001):

well... check the conjecture :), the "inscribed quadrilateral in circle" conjecture is rather simple enough I"d think

OpenStudy (shesolitt):

im still very confused !!! ):::

OpenStudy (shesolitt):

i think its A

OpenStudy (jdoe0001):

well.. find \(\measuredangle PQR\) then you'll see what choice it is since how you'd find it, the choice will reflect that

OpenStudy (shesolitt):

I dont think its C or D beacuase O isnt in the PRQ

OpenStudy (shesolitt):

It said to find PRQ

OpenStudy (jdoe0001):

k

OpenStudy (shesolitt):

@larsonty @bella280 @The_Mobster @soulkiller2 HELPPPP

OpenStudy (anonymous):

Hint: the opposite angles of a cyclic quadrilateral add up to 180 degrees

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