Matematika

Pertanyaan

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cara nya gimana tolong ya

1 Jawaban

  • 2. V = πr^2. t
    = 3,14 . 4^2 .6
    = 3,14. 16.6
    = 301,44 cm^3 (d)
    3. Lp = 2. πr ( r + t )
    = 2. 22/7. 21 ( 21 + 10)
    = 2. 66 . 31
    =4092 cm^2 (a)