Answer:
d
Step-by-step explanalime boba no other
Answer:
See explanation
Step-by-step explanation:
Consider triangles ABC and DEC. In these triangles,
- given
- given;
as vertical angles.
So,
by SAS postulate (two sides and angle between these sides of one triangle are congruent to two sides and angle between these sides of another triangle, so triangles are congruent).
Congruent triangles have congruent corresponding parts, hence,

Answer:
4
Step-by-step explanation:
Semoga membantu anda anda sekalian
bye vangkee