Tolong dong penjelasan+cara nmr 20.. itu kertas ftocopy'an emg udh dijawab tp ak gtw caranya..bsk dikumpul
virgeenanuvi
Volume kerucut = kenaikan volume tabung πr² t x 1/3 = πr² t r² t x 1/3 = r² t 4² x 9 x 1/3 = 5² t 16 x 3 = 25t 48 = 25t t = 48 : 25 t = 1,92 cm
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InggridRya
Thanks ya, ak gamikir kesitu td hahaha..lg ngadet ni otak
πr² t x 1/3 = πr² t
r² t x 1/3 = r² t
4² x 9 x 1/3 = 5² t
16 x 3 = 25t
48 = 25t
t = 48 : 25
t = 1,92 cm