Proving Right Triangle Congruence Calculator. Remember that if we know two sides of a right triangle we know the third side anyway, so this is really just sss. If three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent.
We also call it sas method. ∴ by rhs, ∆abc ≅ ∆qpr ∴ ∠a = ∠q, ∠c = ∠r, bc = pr (c.p.c.t.) example 1: Therefore by using right triangle congruence theorem we can easily deduce of two right triangles are congruent or not.
This is an extension of asa.
Isosceles and equilateral triangles aren't the only classifications of triangles with special characteristics. The hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle. We also call it sas method. As long as one of the rules is true, it is sufficient to prove that the two triangles are congruent.