A conical tent is the form of a cone, and as such, we are dealing with a cone here. Volume of a cone is equal to
Initial volume of the cone,
V = 1/3 * 3.142 * 6.2² * 13.2
V = 531.36 yd³
In the same vein, if you double the height, we have
V = 1/3 * 3.142 * 6.2² * 26.4
V = 1062.71 yd³
To learn more about volume of cones, see https://brainly.com/question/8994737