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Verified answer
Dik,segitiga putih:segitiga hitam= 2:3banyak segitiga putih= 30 buah
dit, banyak segitiga hitam=...?
Jawab:
segitiga putih= 2/5×n
30buah=2/5×n
30buah×5=2n
150buah=2n
n=150/2= 75 buah
✓ segitiga hitam= 3/5×n
= 3/5×75 buah
= 45 buah
Semoga membantu:)
maaf kalo salah