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OpenStudy (anonymous):
A quadrilateral PQRS is inscribed in a circle, as shown below. What is the measure of arc PQR? 110° 140° 70° 220°
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OpenStudy (anonymous):
jimthompson5910 (jim_thompson5910):
Angle PSR is supplementary to angle PQR, so angle PSR is 110 degrees (since 110 + 70 = 180)
jimthompson5910 (jim_thompson5910):
Now use the inscribed angle theorem to find the measure of arc PQR
OpenStudy (anonymous):
the answer is b
OpenStudy (anonymous):
use the formula to find length of an arc you will need the value of theta=70 length of arc= (pi * r* theta) / 180
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jimthompson5910 (jim_thompson5910):
no, it's not b
OpenStudy (anonymous):
oh sorry
OpenStudy (anonymous):
its 2220
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