Worksheets — Set 18
Geometry · Honors · Circle theorems and arc measures
Print and write your answers. Use diagrams to show thinking.
Warm-up
1. Central angle 345°. Arc measure? ___ 2. Inscribed angle intercepting arc 270°. Measure? ___ 3. Arc length: radius 25, central angle 90°. ___
_See printable PDF for diagram._
Written practice
1. Central angle 330°. Arc measure? ___ 2. Inscribed angle intercepting arc 260°. Measure? ___ 3. Arc length: radius 24, central angle 90°. ___ 4. Chord distance from center: radius 23, chord length 26. Distance? ___ 5. Tangent radius relationship: angle measure? ___ 6. Label a diagram with arc and angle measures. 7. Central angle 375°. Arc measure? ___ 8. Inscribed angle intercepting arc 290°. Measure? ___
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More written practice
1. Arc length: radius 27, central angle 90°. ___ 2. Chord distance from center: radius 26, chord length 29. Distance? ___ 3. Central angle 420°. Arc measure? ___ 4. Inscribed angle intercepting arc 320°. Measure? ___ 5. Arc length: radius 30, central angle 90°. ___ 6. Chord distance from center: radius 29, chord length 32. Distance? ___
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Patterns and rules
1. Central angle 585°. Arc measure? ___ 2. Inscribed angle intercepting arc 430°. Measure? ___ 3. Arc length: radius 41, central angle 90°. ___
_See printable PDF for diagram._
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Stretch
1. Central angle 705°. Arc measure? ___ 2. Inscribed angle intercepting arc 510°. Measure? ___
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Parent tip: Mark central and inscribed angles on diagrams