Answer :
Answer:
[tex]f) \: r2 \div r1 \: = 5 \div 1[/tex]
Step-by-step explanation:
[tex] \frac{a1}{a2} = \frac{1}{25} = \frac{\pi \times (r1)^{2} }{\pi \times (r2)^{2}} [/tex]
[tex] {(\frac{r2}{r1})}^{2} = 25[/tex]
[tex] \frac{r2}{r1} = 5[/tex]
Answer:
[tex]f) \: r2 \div r1 \: = 5 \div 1[/tex]
Step-by-step explanation:
[tex] \frac{a1}{a2} = \frac{1}{25} = \frac{\pi \times (r1)^{2} }{\pi \times (r2)^{2}} [/tex]
[tex] {(\frac{r2}{r1})}^{2} = 25[/tex]
[tex] \frac{r2}{r1} = 5[/tex]