The diameter is the cross section of the widest part of a sphere.
First you had to switch sides of equation.

Then you divide by two from both sides of equation form.

Simplify.

Next, subtract by i from both sides of equation form.

Finally, simplify by equation.

Final answer: 
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-Charlie
Answer:
it's 9
Step-by-step explanation:
i dont know how to explain
Answer:
251,502
Step-by-step explanation:
hope it helps!
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