r = 1/2 diagonal ruang kubus
= 1/2 s√3
= s√3/2
a. L = 4πr2
= 4π (s√3/2)2
= 4π . 3s2/4
= 3πs2 cm2
b. V = 4/3πr3
= 4/3π (s√3/2)3
= 4/3π . 3s3√3/8
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Jumat, 10 Mei 2024 -
Network
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Network
r = 1/2 diagonal ruang kubus
= 1/2 s√3
= s√3/2
a. L = 4πr2
= 4π (s√3/2)2
= 4π . 3s2/4
= 3πs2 cm2
b. V = 4/3πr3
= 4/3π (s√3/2)3
= 4/3π . 3s3√3/8
Editor: Shofia Faridatuz Zahra
