February 2023 1 3 Report
luas kertas kado berbentuk tabung
jari jari tabung=r=10CM
tinggi tabung =t=15
berapa luas kertas kado yang digunakan..
(yang 314 diganti 3,14)
[tex] = 2\pi \: r \: t \\ = 3 \: 14 \times 10 \times 15 \\ = [/tex]

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