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Verified answer
Luas permukaan kubus = 6 × rusuk^2150 dm^2 = 6 × rusuk^2
150 /6 = r^2
25 = r^2
25^(1/2) = r
5 dm = r
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Mapel : Matematika
Tentang : Bangun Ruang
Pertanyaan yg diajukan : 1
Pembahasan :
Diketahui :
- Luas Permukaan (LP) = 150 dm²
Ditanya :
- rusuk (r)
LP = 6r²
150 = 6 x r²
r² = 150/6
r = √25
r = 5 dm
Jawaban : 5 dm
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