Question

What else must you know to prove the triangles congruent by SAS?

Answer 1

SIDE angle SIDE
what do you think?

Answer 2

have a good look at pic,
do u see any angles/sides given as congruent ?

Answer 3

yeah. But how would i write that down @ganeshie8

Answer 4

good question :)
u could have simply said that : I see two triangles : \(\triangle ACD\) and \(\triangle CAB\), in which one ANGLE pair is congruent, and one side AC is common.

Answer 5

so we have one ANGLE pair and one SIDE pair congruent between the two triangles.

Answer 6

for SAS
you need another SIDE pair,
which sides they wud be ? :)

Answer 7

so the same side pairs are AC and CA? @ganeshie8

Answer 8

yes those are the same side pairs.
we need to find another pair

Answer 9

could it be DC and BA?

Answer 10

or AD and CB