Sal knows the volume of a cylinder is 500 cubic units. He wants to create a cylinder with twice the volume. Which variation of the original cylinder will have a volume of exactly 1,000 cubic units? Use the same radius but double the height.
Use the same height but double the radius.
Double the radius and double the height.
Use the same height but quadruple the radius.

Use the same radius but double the height

Step-by-step explanation:

The correct answer is A.) Use the same radius but double the height.

Hope this helps ya'll :)

b. astronomers

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.