Question

what type of transformation maps △qrs to △qrs?
○ dilation
○ reflection
○ rotation
○ translation

Explanation:

To determine the transformation mapping \(\triangle QRS\) to \(\triangle Q'R'S'\), we analyze the types:

• Dilation: Changes size (not seen here, as triangles appear congruent).
• Reflection: Flips over a line (no mirror - like symmetry here).
• Rotation: Turns around a point. The triangles seem rotated about a common center (implied by the angle at \(S'\) and vertex alignment).
• Translation: Slides (no sliding, as orientation/position suggests rotation).

Answer:

rotation