" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
r = ..?
V = ..?
Jawab:
Luas permukaan = 4 π r²
616 = 4 . 22/7 . r²
616 . 7 = 4 . 22 . r²
4312 = 88 . r²
r² = 49
r = √49
r = 7 cm
Jadi jari-jarinya = 7 cm
V = 3/4 π r³
V = 3/4 . 22/7 . 7³
V = 808,5 cm³
Jadi volumenya = 808,5 cm³