Worksheets — Set 12

Geometry · Circles

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

Warm-up

1. Central angle 255°. Arc measure? ___ 2. Inscribed angle intercepting arc 210°. Measure? ___ 3. Arc length: radius 19, central angle 90°. ___

_See printable PDF for diagram._

Written practice

1. Central angle 240°. Arc measure? ___ 2. Inscribed angle intercepting arc 200°. Measure? ___ 3. Arc length: radius 18, central angle 90°. ___ 4. Chord distance from center: radius 17, chord length 20. Distance? ___ 5. Tangent radius relationship: angle measure? ___ 6. Label a diagram with arc and angle measures. 7. Central angle 285°. Arc measure? ___ 8. Inscribed angle intercepting arc 230°. Measure? ___

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More written practice

1. Arc length: radius 21, central angle 90°. ___ 2. Chord distance from center: radius 20, chord length 23. Distance? ___ 3. Central angle 330°. Arc measure? ___ 4. Inscribed angle intercepting arc 260°. Measure? ___ 5. Arc length: radius 24, central angle 90°. ___ 6. Chord distance from center: radius 23, chord length 26. Distance? ___

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Patterns and rules

1. Central angle 495°. Arc measure? ___ 2. Inscribed angle intercepting arc 370°. Measure? ___ 3. Arc length: radius 35, central angle 90°. ___

_See printable PDF for diagram._

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Parent tip: Mark central and inscribed angles on diagrams