To determine the surface area and volume of a cone, the three values you need are the slant height, altitude, and Question 3 options: A) arc length. B) circumference. C) radius. D) diameter.

radius is the other quantity needed, which appears listed as option C in the list of possible answers.

Step-by-step explanation:

Recall that the volume of a cone is given by the formula:

where B is the area of the base:

with R being the cone's radius at the base, and H the cone's height.

The formula for the surface area of the cone also needs the size of the radius.

Therefore, the radius is the other needed quantity.

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step-by-step explanation: