Sagot :
Answer:
1. 31.4 cm
2. 18.84 in
3. 62.8 m
4. 37.68 cm
5. 12.56 in
[tex]r = \frac{d}{2} \\ r = radius \\ d = diameter[/tex]
Step-by-step explanation:
[tex]1. \: c = 2\pi \: r \\ c = 2\pi \times 5 \\ c = 31.4 \: cm[/tex]
[tex]2. \: c = 2\pi \: r \\ c = 2\pi \times 3 \\ c = 18.84 \: in[/tex]
[tex]3. \: c = 2\pi \: r \\ c = 2\pi \times 10 \\ c = 62.8 \: m[/tex]
[tex]4. \: c = 2\pi \: r \\ c = 2\pi \times 6 \\ c = 37.68 \: cm[/tex]
[tex]5. \: c = 2\pi \: r \\ c = 2\pi \times 2 \\ c = 12.56 \: in[/tex]