Mathematics · Geometry
In a circle with center O, points A, B, and C lie on the circumference such that the central angle ∠COA = 40°. Find the measure of angle ∠CBA.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 145°
- 220°✓
- 325°
- 435°
Correct answer
20°
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