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960 = 4.1/2.24.t
960 = 48.t
t = 960/48
t = 20 cm ----> tinggi bid.tegak limas
1/2 . 24 = 12 cm , maka:
t.limas = akar dr 20²-12²
= akar dr 400-144
= √256
= 16 cm
jadi, V.limas = 1/3.L alas.t
= 1/3.s².t
= 1/3.24².16
= 3072 cm kubik