for the ASA postulate to apply, which side of the triangle must be known?

Athe included side
BThe longest side

C)the shortest side

Da non-included side

Verified Answer :

the included side = the equal angles are 'at the ends' of this side

The side of the triangle that must be known in order to apply the ASA postulate is: A) the included side.

What is the Angle-side-angle Congruence Postulate (ASA)?

The angle-side-angle congruence postulate (ASA) states that two triangles are congruent, if they both have two pairs of congruent angles and one pair of included side.

Therefore, the side of the triangle that must be known in order to apply the ASA postulate is: A) the included side.

Learn more about ASA postulate on:

https://brainly.com/question/2938476