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Verified answer
Jawabbanyak segitiga yang dibentuk = 7C3 = 35
Verified answer
Jawabannya:Mapel. : Matematika
Bab. : Peluang
Pembahasan:
n × (n+1) × 1/2
= 7 × (7+1) × 1/2
= 7 × 8 × 1/2
= 56 × 1/2
= 56/2
= 28 segitiga → Yg dapat dibentuk
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