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Diket:
r=30cm
s=50cm
Ditanya :
a.Tinggi (t)
b.Volume(V)
jawab
a. t=s^2-r^2
=50^2-30^2
=1600
akar dari 1600
=40 cm
b. V=1 per3 x Pi ×r^2 × t
1per 3 ×3,14 ×30×30×40
=1 per 3×2826 ×50
[2826 coret dengan 3 (bagi3)]
=37.680 cm^3
Note
x^2
arti nya x pangkat2
sorry kalo salah