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Hello!
The equation to find the volume of a sphere you use the equation

r is radius which is half the diameter
put in 3.14 for pi and 12 for r

This gives us the answer of 7234.56 cubic units
Hope this helps!
Answer:
I don't recognize this problem, please make sure the input is complete.
Step-by-step explanation:
it that the full problem?
Answer:
16
Step-by-step explanation:
The perpendicular diameter to the chord divides it into two congruent parts.
Since
we have that XT=TS.
Hence,
3b-1=b+5,
3b-b=5+1,
2b=6,
b=3.
So,
XT=3·3-1=9-1=8
TS=3+5=8
and
XS=XT+TS=8+8=16.