* Ket = (s). sisi
= (r). rusuk
= (ts). titik sudut
1. Kubus.
* volume = s . s . s
L = s . s
(s) = 6
(r) = 12
(ts) = 8
2. Balok (Prisma siku-siku).
* volume = luas alas . t
= p . l . t
L = 2 (p+l)
(s) = 6
(r) = 12
(ts) = 8
3. Prisma Segitiga.
* volume = luas alas . t
= ( 1/2 . a . b ) . t
L = a . t / 2
(s) = 5
(r) = 9
(ts) = 6
4. Limas Segitiga.
* volume = 1/3 . luas alas . t
= 1/3 . ( 1/2 . a . b ) . t
L = a . t /2
(s) = 4
(r) = 6
(ts) = 4
5. Kerucut.
* volume = 1/3 . luas alas . t
= 1/3 . (22/7 / 3,14 . r . r) . t
L = 22/7 / 3,14 . r (r+s)
Ls = s2 = t2 + r2
(s) = 2
(r) = 1
(ts) = 1
6. Tabung.
* volume = (22/7 / 3, 14 . r . r ) . t
L = 2 . (22/7 / 3, 14) . r (r + t)
tanpa tutup = (22/7 / 3, 14) . r (r + 2t)
(s) = 3
(r) = 2
(ts) = 0
7. Lingkaran.
* volume = 4/3 . 22/7 / 3,14. r . r . r
v 1/2 bola = 2/3 . 22/7 / 3, 14 . r . r . r
(s) = 1
(r) = 0
(ts) = 0
^_______^ R.E.M.E.M.B.E.R I.T......ok?
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