Question

in the figures sideBC of triangle ABC has been produced to D andCE//BA​

Answer 1

Answer:

in tr. ABC

1. A+B=C
2. 55+65=C
3. C=120

AN. ABC=AN.ECD( crossponding angel)

AN. ECD=65

AN. ACD=AN.ACE+AN.ECD

1. 120=65+AN.ACE
2. AN. ACE=120-65
3. AN. ACE=55