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Matematika
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1 Jawaban
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1. Jawaban ajiboy123
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)