1001 Walks: You must experience before you die

1001 Walks: You must experience before you die

Matematika Help tolong di bantu

Help tolong di bantu

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[tex]{\sf{1.) \: luas \: permukaan \: = \: 4 \: \times \: \pi \: \times \: {r}^{2} }}[/tex]

[tex]{\sf{ = \: 4 \: \times \: \frac{22}{7} \: \times \: 14 \: \times \: 14 }}[/tex]

[tex]{\sf{ = \: 4 \: \times \: 22 \: \times \: 2 \: \times \: 14}}[/tex]

[tex]{\sf{{\boxed{{\bf{ = \: 2.464 \: \: {cm}^{2} \: }}}}}}[/tex]

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