Congruence of triangles. Two triangles are congruent if their corresponding sides are equal in length, and their corresponding angles are equal in measure.

How do you know if a triangle is congruent?

If two sides and the included angle of one triangle are equal to the corresponding sides and angle of another triangle, the triangles are congruent. ASA stands for “angle, side, angle” and means that we have two triangles where we know two angles and the included side are equal.

What is SSS SAS ASA AAS?

SSS (side-side-side) All three corresponding sides are congruent. SAS (side-angle-side) Two sides and the angle between them are congruent. ASA (angle-side-angle)