Tolong bantuannya,pakai cara ya,please??besok dikumpul
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Verified answer
KESEBANGUNAN1][
∆ABC ~ ∆DEF
AB / DE = BC / EF
x / 15 = 12 / 20
x = 15 × 12 / 20
x = 9 cm ← jwb
2][
t' / t = p' / p
t' / 1,5 = 15 / 3
t' = 1,5 × 15 / 3
t' = 7,5 m ← jwb