Unit 4 inscribed angles answer key. G2m C = C : q T 'V 28. Now, we will investigation the relationship between the inscribed angle, the central angle and the arc they intercept. If an inscribed angle and a central angle intercept the same arc, the measure of the inscribed angle will be half the measure of the central angle. Central Angle and Arc Measure: The measure of a central angle is equal to the measure of its intercepted GeorgiaStandards. 2. 5 - Angle and Arc Relationships 10. qqm ¥ h) Minor Arc: I i) Major Arc: H LJ j) Semicircle: 0 91 * k) Central Angle: * l) Inscribed Angle: 15) 2 225 IT Z 0(. 5° x = 29° x = 29° x = 6 2 x = 43° B D ¯ ∥ E C ¯ , so alternate interior angles are Mar 1, 2026 · 9. 0 > CK-12 Geometry - Second Edition - Answer Key > Inscribed Angles - Answer Key Fact-checked by: The CK-12 Editorial Team Last Modified: Mar 01, 2026 Geometry A Unit 4 - Hillgrove Unit 4 q 3. 4 Inscribed Angles PRACTICE Find the measure of the arc or angle indicated.