Jawaban:
7.) s = 24 cm, T = 13 cm
maka
t? = T? - (1/2 s)?
t2 = 132 - (1/2 - 24)²
t² = 13² - 122
t² = 169 144
t² = 25
t = 25
t=5 cm
V = 1/3 · s2.t
= 1/3 - 24 - 24 -5
= 8. 24 . 5
= a. 960 cm³
8.) v=phirt
= 3,14 x 4? x 6
= 3,14 x 16 x6
= 3,14 x 96
= d. 301,44
9.) Diketahui :
- Volume Tabung : phi x r2 x t
- Jari-jari: 1x 9:9 cm
- Tinggi : 10 cm
Ditanya : Volume Tabung tersebut adalah
.. cm³
Jawab :
Volume Tabung: π x r2 x t
= 3,14 x 92 x 10
=a. 2.543 cm³
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Jawaban:
7.) s = 24 cm, T = 13 cm
maka
t? = T? - (1/2 s)?
t2 = 132 - (1/2 - 24)²
t² = 13² - 122
t² = 169 144
t² = 25
t = 25
t=5 cm
maka
V = 1/3 · s2.t
= 1/3 - 24 - 24 -5
= 8. 24 . 5
= a. 960 cm³
8.) v=phirt
= 3,14 x 4? x 6
= 3,14 x 16 x6
= 3,14 x 96
= d. 301,44
9.) Diketahui :
- Volume Tabung : phi x r2 x t
- Jari-jari: 1x 9:9 cm
- Tinggi : 10 cm
Ditanya : Volume Tabung tersebut adalah
.. cm³
Jawab :
Volume Tabung: π x r2 x t
= 3,14 x 92 x 10
=a. 2.543 cm³