How To Tell If Triangles Are Congruent. Basically triangles are congruent when they have the same shape and size. The equal sides and angles may not be in the same position if there is a turn or a flip but they are there.
Sss side side side sss stands for side side side and means that we have two triangles with all three sides equal. Sss sas asa aas and hl. An included angle is an angle formed by two given sides.
The sas rule states that.
Side angle side is a rule used to prove whether a given set of triangles are congruent. If three sides of one triangle are equal to three sides of another triangle the triangles are congruent. If you flip reflect mno over no it is the same as abc so these two triangles are congruent. Sss sas asa aas and hl.
