1.2 aja ka tolng yg pinter matematik tolng bntu ka cra nya gimna

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hitung sendiri ya....
1. VOLUME TABUNG
=LUAS ALAS × TINGGI
=PI × r × r × t
=22/7 × 1,4 × 1,4 × 25 cm = 2,5 dm
=22/7 × 1,4 × 1,4 × 2,5
= ....
catatan : 1 liter = 1 dm3
1 liter = 1000 cm3


maaf ya cuma bantu 1 nomer...
GOODLUCK

1.
dik: r= 1,4dm
t= 25cm= 2,5dm
dit: v
jawab:
v= πr²t
= 22/7×1,4×1,4×2,5
= 15,4dm³
= 15,4L
1L= 1dm³