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4 vr2 = 4 x 3,14 x r x r
= 1848 - 1256 = 592
592 = 8
8x2 : 16 jadi diameternya 16
4 phi r² = 4 x 3,14 x r x r
= 1848 - 1256 = 592
592 = 8 ⇒ r
diameternya 16
a. Diameter = 16
b. Volume Bola = 4/3. phi. r³
= 4/3 . 3,14 . 16³
= 17148,58 cm³
MAAF KALAU SALAH