LibraryShapes & SpaceOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaShape

This shape, with four equal sides and right angles, counts as a special case of both rectangle and rhombus.

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Math & LogicOne small aha
Your new ahaSquare

Square — category: Quadrilateral. Source: Square

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More from Shapes & Space

A few more worth knowing.

  1. 04This general class of quadrilaterals has four right angles; a square is a special case.RECALL
    Rectangle

    A rectangle's four right angles come with opposite sides that are always equal in length.

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  2. 05This shape has five sides and five angles, and also names the US Department of Defense's headquarters building.RECALL
    Pentagon

    A pentagon has five sides and five angles, and also names the US Department of Defense's headquarters building.

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  3. 06This six-sided polygon forms the familiar outline of a honeycomb cell.RECALL
    Hexagon

    The six-sided hexagon appears naturally in the honeycomb structures built by bees.

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