Mathematics · Geometry - Cyclic Quadrilaterals
In a cyclic quadrilateral ABCD, the angle bisectors of ∠D and ∠C meet at point E. If ∠DEC = 72°, then find the value of (α + β), where α = ∠A and β = ∠B.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 172°
- 2108°
- 3216°✓
- 4208°
Correct answer
216°
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