Triangle DEF was translated 15 units to the left to create triangle D'E'F.
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Transformation</h3>
Transformation is the movement of a point from its initial location to a new location. Types of transformation is <em>translation, rotation, reflection and dilation.</em>
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If a point A(x, y) is translated a units left, the new point is at A'(x - a, y).
Triangle DEF was translated 15 units to the left to create triangle D'E'F.
Find out more on Transformation at: brainly.com/question/1462871
