Need help for geo..will mark brainlist

Postulate/theorem = SAS postulate

Given :

Since 2 sides and an included angle is equal in these two triangle, they are said to be congruent under the SAS congruence postulate.

Postulate/theorem = ASA postulate

Given :

In triangle KDS and triangle KWS :

Since 2 angles and an included side is equal in these two triangles, they are said to be congruent under the ASA congruence postulate.

Postulate/theorem = AAS theorem

Given :

In triangle ACB and triangle BED :

Since two angles and one side is equal in these two triangles, they are said to be congruent under the AAS theorem.

(3x-8) or (3x+8)

step-by-step explanation: