A = 4/3πr3
A/4π = 1/3r3 …. (ii)
Subtitusikan (i) dan (ii)
r2 = 1/3r3
r2/r3 = 1/3
1/r = 1/3
r = 3 cm
b) A/4π = r2
A/4π = 32
A = 4π . 9
-
Minggu, 19 Mei 2024 -
Network
-
Network
A = 4/3πr3
A/4π = 1/3r3 …. (ii)
Subtitusikan (i) dan (ii)
r2 = 1/3r3
r2/r3 = 1/3
1/r = 1/3
r = 3 cm
b) A/4π = r2
A/4π = 32
A = 4π . 9
Editor: Muhammad Khusaini
Sumber: buku.kemdikbud.go.id
