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crystal1

  • 3 years ago

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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  1. crystal1
    • 3 years ago
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  2. jim_thompson5910
    • 3 years ago
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    Angle PSR is supplementary to angle PQR, so angle PSR is 110 degrees (since 110 + 70 = 180)

  3. jim_thompson5910
    • 3 years ago
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    Now use the inscribed angle theorem to find the measure of arc PQR

  4. crystal1
    • 3 years ago
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    the answer is b

  5. psi9epsilon
    • 3 years ago
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    use the formula to find length of an arc you will need the value of theta=70 length of arc= (pi * r* theta) / 180

  6. jim_thompson5910
    • 3 years ago
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    no, it's not b

  7. crystal1
    • 3 years ago
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    oh sorry

  8. laurisve
    • one year ago
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    its 2220

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