Answer:
"A right triangle with base of 3.5 and height of 7 will create a cone with a radius of 3.5 and a height of 7"
Explanation:
Think of a right triangle being revolved around its height as the axis. You will figure that it creates a Cone.
a figure is attached for better visualization
So the base of the right triangle will be the radius of the cone and the height of the right triangle will be the cone's height as well.
So a right triangle with base of 3.5 and height of 7 will create a cone with a radius of 3.5 and a height of 7.