Answer:
9.4868 cm Rounded: 9.5cm
Explanation:
V(Volume) = 1/3 x B(Base area) x h
300 = 1/3 x B x 9
10 x 1/3 = 10,3
300/10,3 = 90
B = 90^2
l(length of the base) = = 9.4868
Rounded Answer (to the first decimal) = 9.5
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