The surface area of a right cone which has a base diameter of six units and a height of eight units is:

Step-by-step explanation:

The surface  area of right cone is calculated by the following formula

Where r is the radius of the cone and h is the height

In this case we know that the diameter d of the base is:

So the radius is:

and

So the area is:

Step-by-step explanation:

The surface area of a right cone is given by

The relation between the slant height l, the radius r, and the height h, is

answer by yourhope:

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