
LUAS DAN VOLUME GABUNGAN
Presentation
•
Mathematics
•
8th Grade
•
Hard
Ni Sumariantini
Used 3+ times
FREE Resource
5 Slides • 4 Questions
1
SMP NEGERI 7 MENGWI
2
LUAS PERMUKAAN GABUNGAN
1.Luas bidang tegak limas=4x Luas segitiga
2. Luas permukaan kubus= 5 x sisix sisi
Luas Permukaan gabungan = Luas I +Luas II
Volume Gabungan
I.
Volume limas= 1/3 x luas alas x tinggi
limas
II.
Volume Kubus= sisix sisi x sisi
Voume gabungan = Volume I +Volume II
3
4
CONTOH VOLUME GABUNGAN
5
Multiple Choice
Tentukan volume bangun ruang gabungan di atas!
2.400 cm3
1.120 cm3
3.400 cm3
1.240 cm3
6
Multiple Choice
Perhatikan gambar tersebut dengan teliti!
Jika tinggi limas 6 cm, maka volume dari gabungan bangun ruang tersebut adalah ... .
128 cm3
512 cm3
640 cm3
712 cm3
7
Multiple Choice
3. Hitunglah volume gabungan bangun berikut!
a. 1.920 cm3
b. 1.930 cm3
c. 1.940 cm3
d. 1.950 cm3
8
Multiple Choice
Sebuah bangun ruang terdiri dari kubus dan limas, dengan bidang alas limas berimpit dengan salah satu bidang sisi kubus, seperti nampak pada gambar berikut! Jika panjang rusuk kubus adalah 10 cm dan tinggi limas adalah 12 cm, maka luas permukaan bangun tersebut adalah ….
630 cm2
740 cm2
680 cm2
760 cm2
9
SMP NEGERI 7 MENGWI
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