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?
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b. 15.0 units
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What is the measure of circumscribed
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c. 90°
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What is the measure of angle COA?
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160°
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Major arc JL measures 300°. Which describes triangle JLM?
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d. equilateral
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Angle X is a circumscribed angle of circle V. Which name best describes figure VWXY?
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a. square
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Angle BCD is a circumscribed angle of circle A. What is the measure of minor arc BD?
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d. 100°
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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.
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Points E, F, and D are located on circle C. The measure of arc ED is 108°. What is the measure of angle ECD?
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c. 108°
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The measure of minor arc JL is 60°.
What is the measure of angle JKL?
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120°
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Points A, B, C, and D lie on circle M. Line segment BD is a diameter. What is the measure of angle ACD?
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b. 67.5°
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Points E, F, and D are located on circle C. The measure of arc ED is 68°. What is the measure of angle EFD?
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a. 34°
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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?
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a. Angle RNQ is equal in measure to arc PR.
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What is the measure of angle EFD?
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c. 47.5°
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Line segment ON is perpendicular to line segment ML. What is the length of chord ML?
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b. 24 units
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