A,D,22,13,B,等腰,72°,72°,4°,根号7,9.∵DB=DC,角C=29°∴∠DBC=∠C=29°∴∠ADB=∠C+∠DBC=58°又∵AB=AD∴∠ABD=∠D=18°∴∠A=180°-∠ABD-∠ADB=64°10.∵AD=AE ∴∠1=∠2∵∠1+∠3=180° ∠2+∠4=180°∴∠3...