Diketahui kerucut jari-jari alasnya 6cm dan tinggi 8cm
jika \pi = 3,14 , tentukan : a.luas sisi kerucut b.volume kerucut
jika \pi = 3,14 , tentukan : a.luas sisi kerucut b.volume kerucut
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s^2 = t^2 + r^2
s^2 = 8^2 + 6^2
s^2= 64+36
s=100^2
s=10
LSK= π r (r+s)
= 3,14.6 (6+10)
=18,84.60
=113,04 cm^2
V Kerucut = 1/3 π r^2
= 1/3.3,14.6.6
= 3,14.12
=37,68 cm^3
maaf ya kalo salah