21) L = pi x r x r
= 22/7 x 28 x 28 *7 dan 28 dicoret
= 2464cm3 ( d )
22) L = pi x r x r
= 3,14 x 6 x 6
= 113.04 (?)
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21) L = pi x r x r
= 22/7 x 28 x 28 *7 dan 28 dicoret
= 2464cm3 ( d )
22) L = pi x r x r
= 3,14 x 6 x 6
= 113.04 (?)