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Diketahui =
Diameter tabung (d) = 14 cm
Jari jari (r) = diameter ÷ 2 = 14 ÷ 2 = 7 cm
Tinggi tabung = 24 cm
Ditanya =
Volume tabung = ?
Penyelesaian =
Volume tabung
= × r × r × tinggi
= × 7 × 7 × 24
= 22 × 7 × 24
= 154 × 24
= 3.696 cm³
No 20.
Diketahui =
Diameter (d) = 14 cm
Jari jari (r) = diameter ÷ 2 = 14 ÷ 2 = 7 cm
Tinggi kerucut = 10 cm
Ditanya =
Volume kerucut = ?
Penyelesaian =
Volume kerucut
= × × r × r × tinggi
= × × 7 × 7 × 10
= × 22 × 7 × 10
= × 154 × 10
= × 1540
= 513,333... cm³
= 513,3 cm³
Semoga membantu ^-^
Dik: d=14, r=7, t=24
Dit: volume
Dij: 22/7 x 7 x 7 x 24
= 22/7 x 49 x 24
= 22 x 7 x 24
= 3696cm³
20.
V=1/3 x 7 x 7x 10
= 1/3 x 49 x 10
=1/3 x 490
= 163, 3
maaf ya kalo salah..... ^-^