please helppppppppi am in 9th grade k12

The sequence of transformation of triangle DEF to triangle D'E'F' is a 180 degree rotation about the origin followed by a translation one unit left.
Transformation is the movement of a point from its initial location to a new location. Types of transformations are reflection, rotation, translation and dilation.
Rigid transformation are those transformations that do not change the shape or size of a figure such as translation, reflection and rotation. Dilation is not a rigid transformation.
The sequence of transformation of triangle DEF to triangle D'E'F' is a 180 degree rotation about the origin followed by a translation one unit left.
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