Library›Shapes & Space›One card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaShape

This shape's triangular faces converge at a single apex above a base that can be any polygon.

Think it. Then flip it. ahamoraTap to reveal Back to the cue
Math & LogicOne small aha
Your new ahaPyramid

Pyramid: Three-dimensional solid whose triangular faces meet at a single point. Source: Pyramid (geometry) ↗

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Shapes & Space

A few more worth knowing.

  1. 18These five convex polyhedra have identical regular polygon faces and the same number of faces at every vertex.RECALL
    Platonic Solids

    Exactly five Platonic solids exist, each built entirely from identical regular polygon faces.

    Open this card ↗
  2. 19Measured in cubic units, this quantity describes the space an object occupies.RECALL
    Volume

    Volume measures the space inside a three-dimensional object, expressed in cubic units.

    Open this card ↗
  3. 20This covering of a surface fits shapes together without gaps or overlaps.IDENTIFY
    Tessellation

    Tessellations tile a surface with repeating shapes and no gaps, a technique famous in M. C. Escher's art.

    Open this card ↗