LP tabung + setengah bola
[tex]\pi \times r(3r + 2t) \\ \frac{22}{7} \times 7(3.7 + 2.11) \\ 22(21 + 22) \\ 22(43) \\ 946 \: {cm}^{2} [/tex]
LP :
= (22/7 × 7 × (3 × 7) + (2 × 11)
= (22 × 7/7 × (21 + 22)
= (22 × 1 × 43)
= (22 × 43)
= 946 CM²
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LP tabung + setengah bola
[tex]\pi \times r(3r + 2t) \\ \frac{22}{7} \times 7(3.7 + 2.11) \\ 22(21 + 22) \\ 22(43) \\ 946 \: {cm}^{2} [/tex]
LP :
= (22/7 × 7 × (3 × 7) + (2 × 11)
= (22 × 7/7 × (21 + 22)
= (22 × 1 × 43)
= (22 × 43)
= 946 CM²