RHS 합동(RHS Congruent)
RHS 합동 두 직각삼각형의 빗변의 길이와 다른 한 변의 길이가 각각 같을 때 합동이다(If two right-angled triangles have their hypotenuses equal in length, and a pair of shorter sides are equal in length, then the triangles are congruent.) https://ggbm.at/suwyqgkf 2017091005