Question

如图,AD是∠EAC的平分线,AD∥BC,∠B=64°,你能算出∠EAD,∠DAC,∠C的度数吗?

Answer 1

∵AD∥BC

∴∠B=∠EAD ∠DAC=∠C

∵∠B=60°

∴∠EAD=60°

∵AD平分∠EAC

∴∠EAD=∠DAC=60°

∴∠C=60°