Question

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

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Answer 1

This is almost exactly like the previous question. Can you think what you may need to prove SAS congruence criterion? Side-Angle-Side?

Answer 2

the angle inbetween the two sides? idk... :0

Answer 3

In your diagram the angle is already said to be equal yes?
Also, there is already a common side between the triangle.
So, we already have one side and one angle equal. What else do you think we need to prove SAS?

Answer 4

Idk :a

Answer 5

Try. What are you not getting, here?

Answer 6

ummm kinda everything D: I just dont get whats missing here :a

Answer 7

Try brushing up your concepts a little: https://www.khanacademy.org/math/geometry/congruent-triangles/cong_triangle/v/finding-congruent-triangles

Answer 8

wait.
ACD=CAB ?? :s

Answer 9

We have to use SAS over here.
We already have established that two Sides (S) are equal.
Also, we know from the figure that two Angles (A) are equal too.
We need one more side on either side of the angle to be equal. Find that and that's your answer.

Answer 10

Try brushing up your concepts of congruency once more. It will surely help.

Answer 11

I don't rly get what you mean :s

Answer 12

AD = BC? :s