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Prisma

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Transcript

  • 1. MACAM-MACAM PRISMA
  • 2. Prisma segi tiga Macam-macam Prisma: tergantung dari bentuk alasnya, misalnya: a. Prisma Prisma segi empat b. Prisma segi lima c. Dsbnya.Hal.: 2 Isi dengan Judul Halaman Terkait Adaptif
  • 3. Prisma Prisma Segitiga Prisma SegienamHal.: 3 Isi dengan Judul Halaman Terkait Adaptif
  • 4. PrismaHal.: 4 Isi dengan Judul Halaman Terkait Adaptif
  • 5. PrismaHal.: 5 Isi dengan Judul Halaman Terkait Adaptif
  • 6. Prisma Luas = 2L + Kll.L x t L t Volume Prisma V = L x tHal.: 6 Isi dengan Judul Halaman Terkait Adaptif
  • 7. Luas dan volume benda beraturan dalam ruangcontoh :1. Diketahui prisma segitiga tgak ABC.DEF,AB=26 dm,BC = 28dm,dan AC = 30dm.Panjang rusuk tegak 10 dm . Hitung volume dan luas permukaan Penyelesaian 1 1 s = 2 (a+b+c)= 2 (28+30+26)dm = 42dm D E Luas ∆ ABC = s( s − a )( s − b)( s − c) = 42( 42 − 28)( 42 − 30)( 42 − 28) dm F 10 = ( 42.14.12.16) dm2 =24 .3 . 7 dm2A C 26 28 = 336 dm2 B Volume prisma = luas bidang alas x panjang rusuk tegak = 336 dm2 x 10 dm = 3360 dm3 Hal.: 7 Isi dengan Judul Halaman Terkait Adaptif
  • 8. Hal.: 8 Isi dengan Judul Halaman Terkait Adaptif