Matematika

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Tolong bantuuu ya kaa.??? Plisss
Tolong bantuuu ya kaa.??? Plisss

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  • [tex] \frac{12}{16+4} = \frac{DE}{5} \\ \frac{12}{20} = \frac{DE}{5} \\ 12x5 = 20 DE \\ 60 = 20 DE \\ DE = \frac{60}{20} \\ DE = 3 cm[/tex]

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