3 1/2 - (2/3)(3 1/2) =
<span>7/2 - (2/3)(7/2) = </span>
<span>7/2 - 7/3 = </span>
<span>21/6 - 14/6 = </span>
<span>7/6 or 1 1/6 yds</span>
Hello!
The rotation creates a bowl or known as a paraboloid
The answer is the third one
Hope this helps!
You can do it just believe in your self