A circumscribed angle, ∠PQR,

is tangent to ⨀C
at points P
and R,
and ∠PCR
is a central angle. Point Y
lies on the major arc formed by points P
and R.
Circle C as described in the text. If m∠PQR=(12x−2)∘,
and mPR⌢=(20x−10)∘,
what is m∠PQR?
Responses

16∘
16 degrees

81∘
81 degrees

137.5∘
137.5 degrees

70∘

1 answer

137.5∘
137.5 degrees

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