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9. a. Lpersegi=90.90=8100 b. Vlim=1/3.La.t 216000= 1/3.8100.t t=216000/2700 =80 cm 10. a. 330=1/3.90.t t=330/30=11 cm b. V=1/3.252.12 =1008 c. 312=1/3.La.13 La= d. 900=1/3.180.t t=900/60= 15 cm e. V=1/3.163.36=1956 Maaf no. 8 tidak terlalu jelas, takut salah
b. Vlim=1/3.La.t
216000= 1/3.8100.t
t=216000/2700
=80 cm
10. a. 330=1/3.90.t
t=330/30=11 cm
b. V=1/3.252.12
=1008
c. 312=1/3.La.13
La=
d. 900=1/3.180.t
t=900/60= 15 cm
e. V=1/3.163.36=1956
Maaf no. 8 tidak terlalu jelas, takut salah