What is the difference between ASA and AAS? - ProProfs Discuss

# What is the difference between ASA and AAS?

Asked by R. Barnes, Last updated: Jan 05, 2021

#### J. Shatner

J. Shatner, Content writer, Boston

ASA means angle, side, angle, while AAS means angle, angle, side. These are two ways that decide if a triangle is congruent. It is all a part of geometry. ASA means two triangles are congruent if they have an equal side contained between equivalent equal angles.

If the pinnacles of two triangles are one to one correspondence such that two angles and the involved side of the second triangles, then it meets the stipulation that the triangles are congruent. It is because the angles and the included side are equal in both triangles; this means that the triangles are congruent. AAS means two angles are on different sides.

The non-included side is the side opposite to either one of the two angles being used. Two pairs of corresponding angles and sides opposite to them are equal in both the triangles. The main variance between the two congruence rules is that the side is not included in ASA.

#### M. Klose

M. Klose, Content Writer, Oakland

ASA is the acronym for angle, side, angle, while AAS signifies angle-angle, side. Triangle congruence is the necessary foundation for beginner geometry. ASA means two triangles are congruent if they have an equal side contained between corresponding equal angles.

If the two triangles are in one to one correspondence such that two angles and the included side of one triangle are harmonious to the two angles and the incorporated side of the second triangles, then it meets the condition that triangles are congruent. AAS means two aspects and the opposite side.

AAS is one of the few ways to ascertain if two triangles are congruent. It demonstrates that the pinnacles of two triangles are one to one correspondence so that two angles and the opposite side are congruent to the corresponding angles and the non -included sides of the second triangle.