Worksheets — Set 8
Geometry · Honors · Circle theorems and arc measures
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Central angle 195°. Arc measure? ___ 2. Inscribed angle intercepting arc 170°. Measure? ___ 3. Arc length: radius 15, central angle 90°. ___
_See printable PDF for diagram._
Written practice
1. Central angle 180°. Arc measure? ___ 2. Inscribed angle intercepting arc 160°. Measure? ___ 3. Arc length: radius 14, central angle 90°. ___ 4. Chord distance from center: radius 13, chord length 16. Distance? ___ 5. Tangent radius relationship: angle measure? ___ 6. Label a diagram with arc and angle measures. 7. Central angle 225°. Arc measure? ___ 8. Inscribed angle intercepting arc 190°. Measure? ___
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More written practice
1. Arc length: radius 17, central angle 90°. ___ 2. Chord distance from center: radius 16, chord length 19. Distance? ___ 3. Central angle 270°. Arc measure? ___ 4. Inscribed angle intercepting arc 220°. Measure? ___ 5. Arc length: radius 20, central angle 90°. ___ 6. Chord distance from center: radius 19, chord length 22. Distance? ___
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Patterns and rules
1. Central angle 435°. Arc measure? ___ 2. Inscribed angle intercepting arc 330°. Measure? ___ 3. Arc length: radius 31, central angle 90°. ___
_See printable PDF for diagram._
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Parent tip: Mark central and inscribed angles on diagrams