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crystal1
Group Title
A quadrilateral PQRS is inscribed in a circle, as shown below.
What is the measure of arc PQR?
110°
140°
70°
220°
 2 years ago
 2 years ago
crystal1 Group Title
A quadrilateral PQRS is inscribed in a circle, as shown below. What is the measure of arc PQR? 110° 140° 70° 220°
 2 years ago
 2 years ago

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jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
Angle PSR is supplementary to angle PQR, so angle PSR is 110 degrees (since 110 + 70 = 180)
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
Now use the inscribed angle theorem to find the measure of arc PQR
 2 years ago

crystal1 Group TitleBest ResponseYou've already chosen the best response.0
the answer is b
 2 years ago

psi9epsilon Group TitleBest ResponseYou've already chosen the best response.0
use the formula to find length of an arc you will need the value of theta=70 length of arc= (pi * r* theta) / 180
 2 years ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.0
no, it's not b
 2 years ago
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