Question

triangle def is congruent to △ghj by the sss theorem. which rigid transformation is required to map △def onto △ghj? dilation reflection rotation translation

Explanation:

Dilation changes the size and is not a rigid - transformation. Reflection flips a figure over a line, rotation turns a figure around a point, and translation slides a figure. Since the two triangles have the same orientation and are just in different positions, a translation is required to map one onto the other.

Answer:

translation