
PRISMA DAN LIMAS
Presentation
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Fitri Lail
Used 9+ times
FREE Resource
19 Slides • 0 Questions
1
PRISMA
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DEFINISI PRISMA
Prisma adalah Bangun ruang tiga dimensi yang dibatasi oleh alas dan tutup indentik (sama) berbentuk segi-n dan sisi-sisi tegak berbentuk persegi panjang
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UNSUR-UNSUR PRISMA TEGAK
Unsur-unsur Prisma Tegak segitiga:
Mempunyai 5 sisi
Mempunyai 9 rusuk
Mempunyai 6 titik sudut
Unsur-unsur Prisma Tegak segiempat:
Mempunyai 6 sisi
Mempunyai 12 rusuk
Mempunyai 8 titik sudut
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UNSUR-UNSUR PRISMA TEGAK
Unsur-unsur Prisma Tegak segi-n:
Mempunyai sisi sebanyak n+2
Mempunyai rusuk sebanyak 3n
Mempunyai titik suut sebanyak 2n
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JARNG-JARING PRISMA
gambar disamping adalah jaring-jaring prisma segi lima
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LUAS PERMUKAAN DAN VOLUME PRISMA TEGAK
💻LUAS PERMUKAAN:
L = 2 x luas alas + (keliling alas x tinggi)
💻Volume:
V = luas alas x tinggi
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CONTOH SOAL
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By Yunita Reny
CONTOH SOAL
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PRISMA SEGITIGA
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LIMAS
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Limas
Limas merupakan bangun ruang yang alasnya berbentuk segibanyak bidang sisi tegaknya berbentuk segitiga yang berpotongan pada satu titik.
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UNSUR-UNSUR LIMAS
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UNSUR-UNSUR LIMAS
RUMUS BANYAK SISI LIMAS = n + 1
Banyak Rusuk Limas = 2n
Banyak Titik sudut Limas = n + 1
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contoh:
Berapa banyak sisi, rusuk dan titik sudut dari Limas segitiga ?
Jawab : Limas segitiga maka n = 3
Banyak sisi = n + 1 = 3 + 1 = 4
Banyak titik sudut = n + 1 = 3 + 1 = 4
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LUAS PERMUKAAN DAN VOLUME LIMAS
🎲Luas Permukaan Limas:
L = luas alas + Jumlah luas sisi tegak
🎲Volume Limas:
V = 1∕3 x luas alas x tinggi limas
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CONTOH SOAL
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CONTOH SOAL
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LIMAS SEGITIGA
PRISMA
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