Bantu ya plis besok dikumpulkan
Jawaban:
-VOLUME TABUNG-
Volume Tabung = π × r × r × t
V = × 7 cm × 7 cm × 20 cm
V = 22 × 7 × 20
V = 3.080 cm³
-VOLUME 2 KERUCUT-
Volume 2 Kerucut = 2 × 1/3 × π × r × r × t
V = 2 ×22/7 ×1/3× 7 × 7 × 16
V = 2 ×1/3 × 22 × 7 × 16
V = 1.642,66 cm³
Volume Tempat Pensil Farida = Volume Tabung + Volume 2 Kerucut
V = 3.080 cm³ + 1.642,66 cm³
= 4.722,66 cm³