Are an isosceles triangle and a scalene triangle always, sometimes, or never congruent? 4 Answers. Profile photo for Masheyat Rahman Masheyat Rahman.. Decide whether each of these statements is always, sometimes, or never true. If it is ... A rhombus is a square; A triangle is a parallelogram; A square is a.... Equilateral triangle is a triangle with 3 congruent sides that thus have equal lengths and 3 congruent angles, so the corresponding angles of any two equilateral... 219d99c93a quysylv