Answer:
3 cm
Step-by-step explanation:
First, find the volume of the cone.
V = r²h
V = (3.14)(9)(12)
V = 113.04
This means the sphere is also 113.04
Use the formula V = r³
113.04 = (3.14)r³
113.04 = 4.19r³
26.98 = r³
3 ≈ r
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