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Semangat pagi. MENGENAL BALOK ( PRISMA SEGI EMPAT ). Oleh :. Ayu Febrianti. Desrina Hardianti. Dina Rahmi. Fitri Fatmawati. Media Pembelajaran Berbasis ICT. SIFAT – SIFAT BALOK. Mempunyai 8 titik sudut. H. G. Mempunyai 12 rusuk. E. F. C. D.

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mengenal balok prisma segi empat

MENGENAL BALOK( PRISMA SEGI EMPAT )

Oleh :

AyuFebrianti

DesrinaHardianti

Dina Rahmi

FitriFatmawati

Media PembelajaranBerbasis ICT

sifat sifat balok
SIFAT – SIFAT BALOK

Mempunyai 8 titiksudut

H

G

Mempunyai 12 rusuk.

E

F

C

D

Mempunyai 6 bidangsisidanbidangsisiberhadapansamaluas

A

B

Sisi / bidang

Titiksudut

Rusuk

slide4

JARING-JARING-BALOK

G

H

G

H

C

atap

G

H

D

C

C

E

F

belakang

C

C

kanan

D

alas

C

B

A

B

E

C

F

kiri

depan

A

B

F

E

kanan

atap

atap

kanan

belakang

alas

belakang

alas

depan

depan

kiri

kiri

Jaring-jaringbalok

Balokdibuka

mencari volume balok
MENCARI VOLUME BALOK

Volume Balok

SIMULASI

Volume / isiyaitudaerahdalam

yang dibatasiolehsisi-sisibalok

Luas alas x

tinggi

=

Luas p. panjang x

tinggi

=

Panjang (p) x lebar (l)

=

x tinggi (t)

t

=

P x l x t

l

p

luas permukaan balok
LUAS PERMUKAAN BALOK

= luas 1

+ luas 2

+ luas 3

Yaituluasseluruhdaerahsisiataubidangbalok

+ luas 4

+ luas 5

+ luas 6

p

= ( p x l )

+ ( p x l )

+ ( l x t )

l

1

1

5

5

+( l x t )

+ ( p x t )

+ ( p x t )

6

6

4

4

t

3

3

= 2 ( p x l

+ l x t

+ p x t )

t

2

2

l

p

slide7

Terimakasih

Semogabermanfaat