직각삼각형(Right triangle) [AlgeoMath : http://me2.do/G8QrbYJi ]

직각삼각형의 정의(Defintion of Right triangle) : AlgeoMath : http://me2.do/xc5hpMky  YouTube : https://youtu.be/b47VpGu1ScI

RHA 합동 : 직각삼각형의 빗변의 길이와 한 예각의 크기가 각각 같을 때 합동이다.(If two right-angled triangles have their hypotenuses equal in length, and a pair of acute angles are equal in measurement, then the triangles are congruent.) : AlgeoMath : http://me2.do/55vxc8ue YouTube : https://youtu.be/T13Tb0kFd48  pdf : https://goo.gl/hFMjrH 영상강의 : https://goo.gl/7bGoGk

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.) : AlgeoMath : http://me2.do/xkB2gyDv YouTube : https://youtu.be/65J-Z_C05dY pdf: https://goo.gl/p8w5wo  영상강의 : https://goo.gl/tb1o5N