Worksheets — Set 3

Geometry · Circles

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Central angle 120°. Arc measure? ___ 2. Inscribed angle intercepting arc 120°. Measure? ___ 3. Arc length: radius 10, central angle 90°. ___

_See printable PDF for diagram._

Written practice

1. Central angle 105°. Arc measure? ___ 2. Inscribed angle intercepting arc 110°. Measure? ___ 3. Arc length: radius 9, central angle 90°. ___ 4. Chord distance from center: radius 8, chord length 11. Distance? ___ 5. Tangent radius relationship: angle measure? ___ 6. Label a diagram with arc and angle measures. 7. Central angle 150°. Arc measure? ___ 8. Inscribed angle intercepting arc 140°. Measure? ___

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More written practice

1. Arc length: radius 12, central angle 90°. ___ 2. Chord distance from center: radius 11, chord length 14. Distance? ___ 3. Central angle 195°. Arc measure? ___ 4. Inscribed angle intercepting arc 170°. Measure? ___ 5. Arc length: radius 15, central angle 90°. ___ 6. Chord distance from center: radius 14, chord length 17. Distance? ___

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Patterns and rules

1. Central angle 360°. Arc measure? ___ 2. Inscribed angle intercepting arc 280°. Measure? ___ 3. Arc length: radius 26, central angle 90°. ___

_See printable PDF for diagram._

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Parent tip: Mark central and inscribed angles on diagrams