Every point on this round surface is equally distant from its centre in three-dimensional space.

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Math & LogicOne small aha

Your new ahaSphere

Sphere: Three-dimensional solid where every surface point is equidistant from the center. Source: Sphere ↗

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15This shape's two parallel circular bases are joined by a single curved surface.RECALL
Cylinder
A cylinder's two parallel circular bases are joined by a single curved surface.
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16This shape tapers smoothly from a flat circular base up to a single point called the apex.RECALL
Cone
A cone tapers smoothly from a flat circular base up to a single point called the apex.
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17This shape's triangular faces converge at a single apex above a base that can be any polygon.RECALL
Pyramid
A pyramid's triangular faces converge at a single apex above a base that can be any polygon.
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