September 2018 1 139 Report
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jika jari jari tabung = jari jari kerucut maka selisih luas sisi tabung tanpa tutup dan luas sisikerucut adlah?
a.πr(s+2t)
b.πr(s-2t)
c.πr(2t-s)
d.πr(2s+t)
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