7.
216=9 x 6 x t
216=54 x t
t=216/54
t=4 cm
8.
V=P.L.T
=200x15x12
=36000 cm³
9.
189=9 x 7 x t
189=63 x t
t=189/63
t=3 cm
10.
216=r³
r=³√216
r=6 dm
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7.
216=9 x 6 x t
216=54 x t
t=216/54
t=4 cm
8.
V=P.L.T
=200x15x12
=36000 cm³
9.
189=9 x 7 x t
189=63 x t
t=189/63
t=3 cm
10.
216=r³
r=³√216
r=6 dm