Quadrilateral OPQR is inscribed inside a circle as shown below. What is the measure of angle Q? You must show all work and calculations to receive credit.
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OpenStudy (lililil):
OpenStudy (lililil):
please help!!:)
OpenStudy (lililil):
Im at x=44 now I'm stuck
OpenStudy (lililil):
@kitty10280
OpenStudy (lililil):
I did 2x+2x+4=180
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OpenStudy (kitty10280):
x=44 =0
OpenStudy (lililil):
So is the measure of angle Q 44?
OpenStudy (lililil):
Or do I plug that in to something
OpenStudy (kitty10280):
1 sec start over
OpenStudy (kitty10280):
u said x=44
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OpenStudy (lililil):
O + Q = 180 so thats 2x+2x+4=180 4x+4=180 176/4 = 44
OpenStudy (lililil):
But then what is the measure of angle Q
OpenStudy (kitty10280):
0
OpenStudy (lililil):
how
OpenStudy (lililil):
sorry I'm not good at this
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OpenStudy (kitty10280):
1 min
OpenStudy (kitty10280):
my answer is 44 or 0
OpenStudy (lililil):
but how 0
?
OpenStudy (kitty10280):
thats what i got
OpenStudy (kitty10280):
know if u will excuse me i gtg
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OpenStudy (lililil):
ok thanks for your help!! :)
OpenStudy (kitty10280):
ur welcome
OpenStudy (shrikantss9):
Ans, 92 degrees
A quadrilateral whose all 4 pts lie on a circle is a cyclic quadrilateral.
Sum of opposite angles of a cyclic quadrilateral equals 180 degrees.
So, PQRO is a cyclic quadrilateral and we can write
angle O + angle Q = 180 degrees
So, 2x + 2x + 4 = 180
x = 44
therefore, angle Q = 2x + 4 = 92 degrees