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Mathematics

2 answers:

vovikov84 [41]2 years ago

6 0

Answer:

3 cm

Step-by-step explanation:

First, find the volume of the cone.

V = $\frac{1}{3}$ $\pi$ r²h

V = $\frac{1}{3}$ (3.14)(9)(12)

V = 113.04

This means the sphere is also 113.04

Use the formula V = $\frac{4}{3}$ $\pi$ r³

113.04 = $\frac{4}{3}$ (3.14)r³

113.04 = 4.19r³

26.98 = r³

3 ≈ r

atroni [7]2 years ago

4 0

Answer:

3cm

Step-by-step explanation:

i just know hope it helps rate me 5 star

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