Download - ASSALAMUALAIKUM WR. WB
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ASSALAMUALAIKUM WR. WB
SALAM SEJAHTERA
SELAMAT PAGI
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B A N G U N R U A N GB A N G U N R U A N G
• K U B U S K U B U S • B A L O KB A L O K• T A B U N GT A B U N G
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K U B U S
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E F
D C
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G
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A
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DC
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B A L O K
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T A B U N G
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VOLUM KUBUSSetiap kubus mempunyai sisi sama panjang panjang = lebar = tinggi, maka volum kubus:Volum = sisi x sisi x sisi = S x S x S = S3 Jadi, V = S3
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LUAS KUBUSSetiap kubus terdiri dari 6 buah sisi yang bentuknya persegi yang luas setiap sisinya sama. Luas = 6 x S x S = 6 S2 Jadi, L = 6 S2
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VOLUM BALOKSetiap balok: sisi panjang (p), lebar (l) dan tinggi (t).
Volum = p x l x t = plt
Jadi, V = pltA
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E FD
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LUAS BALOK
L1 = 2 x p x l
L2 = 2 x p x t
L3 = 2 x l x t
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LUAS BALOK
Luas sisi balok :Luas = L1 + L2 + L3
= 2pl + 2pt + 2lt = 2 (pl + pt + lt)
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E F
D C
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Sebuah tabung mempunyai alas berbentuk lingkaran.Volum tabung sama dengan alas x tinggiV = L. alas x tinggi
= r2 x tJadi, V = r2t
r
t
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LUAS TABUNG
Sisi tabung terdiri dari: - alas dan tutup berbentuk lingkaran - selimutnya berbentuk persegi
panjang
r
t
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LUAS TABUNG Luas sisi = 2 x L. alas + L. selimut
= 2r2 + 2rt = 2r ( r + t )Jadi, luas sisi tabung = 2r ( r + t )
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SAMPAI JUMPA PADA MATERI BERIKUTNYAJANGAN LUPA BELAJAR