if a right circular cone is intersected by a plane that goes through both nappies of the cone but not through the vertex, as in the picture below, what shape is produced?

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Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?