AIR MATH

Math Question

19. What transformation maps a circle with radius \( r \) onto a congruent circle with radius \( s \) and the same center? A. \( (x, y) \rightarrow(s x, s y) \) B. \( (x, y) \rightarrow(r x, r y) \) C. \( (x, y) \rightarrow\left(\frac{s x}{r}, \frac{s y}{r}\right) \) D. \( (x, y) \rightarrow\left(\frac{r x}{s}, \frac{r y}{s}\right) \)

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