Question

tolong orngg baikk yg bener!​

Answer 1

[tex]v = \pi \times {r}^{2} \times \: t[/tex]

[tex]6160 = \frac{22}{7} \times {r}^{2} \times 10[/tex]

[tex]6160 \times 7 = {r}^{2} \times 22 \times 10[/tex]

[tex]43120 = {r}^{2} \times 220[/tex]

[tex] \frac{43120}{220} = {r}^{2} [/tex]

[tex]196 = {r}^{2} [/tex]

[tex]14 = r[/tex]

Rumus Keliling Lingkaran

[tex]k = 2 \times \pi \times r[/tex]

[tex]k = 2 \times \frac{22}{7} \times 14[/tex]

[tex]k = 2 \times 22 \times 2[/tex]

[tex]k = 88cm^{2} [/tex]