Question

Tlong ya jwab nmer 27&28

Answer 1

27) V tabung = πr²t
= 22/7 × 7² × 18
= 2.772 cm³
V kerucut = 1/3πr²t
= 1/3 × 22/7 × 7² × 18
= 924 cm³
V tabung diluar kerucut = 2.772 - 924 = 1.848 cm³

28) V = p × l × t
= 1 × 0,5 × 0,75
= 0,375 m³
= 375 liter
Waktu yg diperlukan
= 375/15
= 25 menit