Assertion: angled triangle | /r/HasProperty | congruent
Facets:
Source sentences:
text: Two right-angled triangles are congruent, if one of the following conditions is valid: 1) their legs are equal; 2) a leg and a hypotenuse of one of triangles are equal to a leg and a hypotenuse of another; 3) a hypotenuse and an acute angle of one of triangles are equal to a hypotenuse and an acute angle of another; 4) a leg and an adjacent acute angle of one of triangles are equal to a leg and an adjacent acute angle of another; 5) a leg and an opposite acute angle of one of triangles are equal to a leg and an opposite acute angle of another.