1.

Compare the radius of circle P (r1 = 10.2 10-6) with the radius of circle B (r1 = 0.2 10-5).

A. r<sub>1</sub> = 6.1r<sub>2</sub>
B. r<sub>2</sub> = 5r<sub>1</sub>
C. r<sub>1</sub> = 5r<sub>2</sub>
D. r<sub>1</sub> = 5.1r<sub>2</sub>
Answer» E.


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