A Pattern for a Single-Curve Surface Would Be Necessary to Produce

Question

A pattern for a single-curve surface would be necessary to produce a:
A) rectangular box
B) ball bearing
C) cone-shaped coffee filter
D) pyramid-shaped toy

Accepted Answer

A cone-shaped coffee filter is the only item listed that requires a single-curve surface. A rectangular box can be made from multiple flat surfaces, a ball bearing is a sphere (which has no curves), and a pyramid-shaped toy can be made from multiple flat surfaces as well.