Diketahui Tinggi tabung 10cm dan Jari-Jari lingkaran alas tabung 14cm
luas permukaan tabung [π=22/7]
adalah....cm²
luas permukaan tabung [π=22/7]
adalah....cm²
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Luas permukaan tabung
[tex]2 \times \pi \times r(r + t) \\ 2 \times \frac{22}{7} \times 14(14 + 10) \\ 88(24) \\ 2112 \: {cm}^{2} [/tex]
LP :
= (2(22/7(14(14 + 10)
= (2(22/7(14(24)
= (2(22/7(336)
= (2(22(336/7)
= (2(22(48)
= (2(1.056)
= 2.112 CM²