a figure has the coordinates (0,0) (0,15) and (8,0). If the figure is rotated about the y- axis, what is the volume of the shape
1 answer:
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Answer:
r=3
Step-by-step explanation:
- The equation of a circumference is
.
- Then , in this case
, and then to know the value of r we just simply have to calculate the square root of 9, which is 3.