∵在△ABC中，AB=AC，∠A=36°，∴∠ABC=∠C=72°，∵BD平分∠ABC交AC于点D，∴∠ABD=∠CBD=36°，∴∠ABD=∠A，∴AD=BD，∴∠BDC=180°-∠CBD-∠C=72°，∴∠BDC=∠C，∴BD=BC，∴AD=BD=BC，∵DE平分∠BDC交BC于点E...