tolong dijawab dengan cara ya kak
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Jawaban:
[tex] \frac{<kol}{<nom} = \frac{luas \: juring \: kol}{luas \: juring \: nom} \\ \frac{45}{135} = \frac{481.25}{x} \\ 45x = 481.25 \times 135 \\ x = \frac{481.25 \times 135}{45} \\ x = 1443.75 \: {cm}^{2} [/tex]
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