Answer:
Clockwise 90°, enlargement
Explanation:
Rotation:
Rotation means turning around a center and from the center to any point on the shape stays same.
Here, the ΔABC is rotated clockwise 90°with it center O.
Dilation:
This means resizing either by compression, enlargement or contraction.
Here, the ΔABC is enlarged to ΔA'B'C'