In ΔABC, ∠B = 60° and ∠C = 40°. If AD and AE be respectively the internal bisector of ∠A and perpendicular on BC, then the measure of ∠DAE is

• ক 60°
• খ 40°
• গ 10° ✅ সঠিক উত্তর
• ঘ 5°