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60.x=240km
x=
x=4 jam
berangkat= 07.15
maka sampai= 11.15
2. jari jari=14
luas lingkaran= πr.r
.14.14
=616.
=308
4. r= 15 cm
t tabung=12 cm
volume?
bola= π. 4/3.1/2.r.r.r
=7065
tabung= π.r.r.t
3,14.15.15.12
=8478
=7065+8478= 15543
5cmx 12cm: 2 x 10 cm = 300 cm3