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Verified answer
D = 50 cmr = 50/2 = 25 cm
t = 20 cm
Volume lilin
= πr²t
= 3,14 x 25 x 25 x 20
= 39250 cm³
Waktu lilin habis
= volume lilin / 10
= 39250 / 10
= 3925 menit
R=D:2=50:2=25x3,14
=3,14x25x25=1062,50x20=21250cm³
lilin meleleh:21250-10=21240cm³
Jadi=Lilin menyala setiap 21240 menit