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Verified answer
✔ Mapel = Matematika✔ Kelas = 8 SMP
✔ Materi = Bangun Ruang sisi Datar
✔ Kata kunci = Volume Prisma
Penyelesaian :
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Sisi Alas
= 40 cm / 4
= 10 cm
Panjang Diagonal Lainnya
= 2 x √(10² - (12/2)²)
= 2 x √(100 - 36)
= 2 x √64
= 2 x 8 cm
= 16 cm
Volume Prisma
= Luas Alas x Tinggi
= ½ x 12 cm x 16 cm x 20 cm
= 6 cm x 320 cm²
= 1920 cm³
Semoga Membantu :)
Verified answer
Kelas 8 MatematikaBab Bangun Ruang
d2 = 2 . √((k : 4)² - (d1 : 2)²)
d2 = 2 . √((40 : 4)² - (12 : 2)²)
d2 = 2 . √(100 - 36)
d2 = 2 . √64
d2 = 2 . 8
d2 = 16 cm
Volume
= 1/2 . d1 . d2 . t
= 1/2 . 12 . 16 . 20
= 1.920 cm³