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6S²= 150
S² = 150/6 = 25
S=√25 = 5
Vol= S³ = 5x5x5=125cm³
16.(tidak ada keterangan sudut O, jadi anggap siku-siku)maka :
1/2 x alas x tinggi = Luas OAP
1/2 x 16x OP =240
8 OP = 240
OP = 240/8 = 30cm