Points N and R both lie on circle O. Line segment RQ is tangent to the circle at point R. What is the perimeter of triangle RON? |
b. 15.0 units |

What is the measure of circumscribed <X? |
c. 90° |

What is the measure of angle COA? |
160° |

Major arc JL measures 300°. Which describes triangle JLM? |
d. equilateral |

Angle X is a circumscribed angle of circle V. Which name best describes figure VWXY? |
a. square |

Angle BCD is a circumscribed angle of circle A. What is the measure of minor arc BD? |
d. 100° |

Points E, F, and D are on circle C, and angle G measures 60°. The measure of arc EF equals the measure of arc FD. Which statements about the arcs and angles are true? Check all that apply. |
<EFD ~= EGD ED ~= FD mFD = 120° |

Points E, F, and D are located on circle C. The measure of arc ED is 108°. What is the measure of angle ECD? |
c. 108° |

The measure of minor arc JL is 60°. |
120° |

Points A, B, C, and D lie on circle M. Line segment BD is a diameter. What is the measure of angle ACD? |
b. 67.5° |

Points E, F, and D are located on circle C. The measure of arc ED is 68°. What is the measure of angle EFD? |
a. 34° |

Points N, P, and R all lie on circle O. Arc PR measures 120°. How does the measure of angle RNQ relate to the measure of arc PR? |
a. Angle RNQ is equal in measure to arc PR. |

What is the measure of angle EFD? |
c. 47.5° |

Line segment ON is perpendicular to line segment ML. What is the length of chord ML? |
b. 24 units |

# Angle Relationships

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