∵∠ABC=∠AED,∠A=∠A,
∴△ABC ∽ △AED,
故添加条件∠ABC=∠AED即可求得△ABC ∽ △AED.
同理可得:∠ADE=∠C 或∠AED=∠B或
AD
AC =
AE
AB 可以得出△ABC ∽ △AED;
故答案为:∠ADE=∠C 或∠AED=∠B或
AD
AC =
AE
AB .
∵∠ABC=∠AED,∠A=∠A,
∴△ABC ∽ △AED,
故添加条件∠ABC=∠AED即可求得△ABC ∽ △AED.
同理可得:∠ADE=∠C 或∠AED=∠B或
AD
AC =
AE
AB 可以得出△ABC ∽ △AED;
故答案为:∠ADE=∠C 或∠AED=∠B或
AD
AC =
AE
AB .