Question

what else must u know to prove the triangles are congruent by sas

Answer 1

sas implies two congruent sides and the angle between them

Answer 2

since you have one congruent side (the middle section), and one congruent angle, which other congruent side do you need to know?

Answer 3

oh i forgot to tell u im back from a funeral

Answer 4

oh, ok then

Answer 5

plus thx for helping me

Answer 6

since we have a side, and an angle, we want to find the side on the "other side" of the angle, giving us an "side-angle-side" sandwich

Answer 7

so you would need to know that those two sides on the left/right are congruent