Penyelesaian:
V tabung = π × r² × t
21195 = 3,14 × r² × 30
21195 = 94,2 × r²
r² = 21195 : 94,2
r² = 225
r = √225
r = 15 cm
Jadi panjang jari-jari alas tabung tersebut adalah 15 cm.
Volume = π r² t
21.195 Cm³ = 3,14 × r² × 30
r² = 21.195 ÷ (3,14 × 30)
r² = 21.195 ÷ 94,2
r² = 225 Cm
r = 15 Cm
~ Semoga bermanfaat ~
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Penyelesaian:
V tabung = π × r² × t
21195 = 3,14 × r² × 30
21195 = 94,2 × r²
r² = 21195 : 94,2
r² = 225
r = √225
r = 15 cm
Jadi panjang jari-jari alas tabung tersebut adalah 15 cm.
Volume = π r² t
21.195 Cm³ = 3,14 × r² × 30
r² = 21.195 ÷ (3,14 × 30)
r² = 21.195 ÷ 94,2
r² = 225 Cm
r = √225
r = 15 Cm
~ Semoga bermanfaat ~