Find the surface area of the ball shown. use 3.14 for it.
2 answers:
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Answer:
Step-by-step explanation:
To preface, your figure is going to be a line segment, with as your midpoint, in between points
&
With that being said:
Identify your values:
Substitute the values into the first equation:
Combine like terms:
Subtract from both sides of the equation:
Divide by the coefficient of , which is
:
Substitute for
in segments
&
:
Solve:
Check your answers by substituting: