Question

4. (08.05 MC)The coordinates A(0, 0), B(0, 4) and C(2,0) are graphed and connected together. What 3-dimensional shape will be created when this shape is rotated about they-axis? Provide an explanation and proof for your answer to receive full credit.

Answer 1

So,

Here we have the following points:

If we rotate this shape about the y-axis, we'll obtain something like this:

Which is a cone.