Line segment SU is a diameter of circle V. What is the measure of arc ST? |
56° |

In circle D, ∠EDH ≅ ∠EDG. What is the length of JG? |
5 units |

Which is true regarding secants and chords? |
Chords and secants intersect the perimeter of a circle twice. Chords are segments entirely within a circle, while secants are lines or rays that extend through a circle. |

In circle O, AD and BE are diameters. The measure of arc AB is 55° and the measure of arc CD is 25°. What is the measure of EAC? |
280° |

What is the measure of arc BEC in circle D? |
134° |

Circle D is shown with the measures of the minor arcs. Which segments are congruent? |
EF and GF |

What is the measure of arc QR? |
104° |

What is the measure of C ? |
38° |

Line segment KL is tangent to circle J at point K. What is the length of the radius, r? |
10 units |

Which circle has a radius that measures 10 units? |
B |

In circle T, ∠PTQ ≅ ∠RTS. What is the measure of PQ? |
66° |

Segments RT and SU are diameters of circle O. What is mSRT? |
266° |

QR is tangent to circle P at point Q. What is the measure of angle R? |
37° |

In circle D, angle ADC measures (7x + 2)°. Arc AC measures (8x – 8)°. What is the measure of ABC? |
36° |

In circle A, ∠BAE ≅ ∠DAE. What is the length of BE? |
27 units |

Which arc is congruent to EH? |
GE |

FH is tangent to circle G at point F. What is the length of the radius, r? |
12 units |

What is the measure of arc EF in circle H? |
41° |

In circle D, which is a secant? |
GH |

What is true regarding two adjacent arcs created by two intersecting diameters? |
The sum of their measures is 180°. |

Line segment TS is tangent to circle O at point N. If the measure of QNT is 74°, what is the measure of QNP? |
148° |

Line segment BD is a diameter of circle E. What is the measure of arc BC? |
78° |

What must be the length of ZY in order for ZY to be tangent to circle X at point Y? |
15 units |

What is the measure of CED? |
212° |

In circle T, ∠PTQ ≅ ∠RTS. What is the length of PQ? |
4 units |

# Circles- Part 1 Unit Test 96%

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