Please help I will mark brainliest!

I think its SAS

Step-by-step explanation:

AC is equal to CE

and BC is equal to CD

sas

Step-by-step explanation:

the two lines on the sides mean that the sides are congruent and where the triangles meat show that the angles are also congruent because the angles are vertical and when the angles are vertical then they are equal to each other so its using side angle side congruency theorem which gives you two sides and one angle and

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it