Kalo bisa nomor 7,8,9,10, kalo gak nomor 7 aja yah! jangan lupa pake cara!
Matematika
ayumiakihira
Pertanyaan
Kalo bisa nomor 7,8,9,10, kalo gak nomor 7 aja yah! jangan lupa pake cara!
1 Jawaban
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1. Jawaban diyaaann2
7.
a = 8cm
t = 6cm
V prisma = ½×a×t× T.prisma
600 = ½×8×6×T
600 = 24T
T = 600/24
T = 25cm
8.
a = 10cm
t = 15cm
V. prisma = ½×a ×t ×T.prisma
3000 = ½×10×15×T.prisma
3000 = 75T
T = 3000/75
T = 40cm
9.
d = 14cm maka r = 7cm
t = 24cm
V. tabung = πr²t
22/7×7×7×24 = 3696cm³
10.
s = 7dm
V. kubus = s³
7×7×7 = 343dm³
d = 7dm
t = 8dm
V. tabung = ¼πd²t
¼×22/7×7×7×8 = 308dm³
V. gabungan = 308+343 = 651cm³