Question

In the figure 10.13, A = 75° and CE || AB. If ZECD = 40°, find the other two;
of the triangle ABC.
750
40°
Fig. 10.13
give this answer quickly​

Answer 1

Answer:

as AB is parallel to CEBAC=ECA=75 { alternate interior angles } … If ZECD = 40°, find the other two; of the triangle ABC. 750 40° Fig. 10.13. 2 … ACD=BAC+CBA{exterior angle