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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaGeometry

Area of a rectangle

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Math & LogicOne small aha
Your new ahalength × width

Lengths use linear units, areas use square units, and volumes use cubic units. Source: Geometry ↗

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More from Geometry Essentials

A few more worth knowing.

  1. 04Area of a triangleRECALL
    base × height ÷ 2

    Half a matching parallelogram

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  2. 05Circumference of a circleRECALL
    2πr

    Also π times diameter

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  3. 06Area of a circleRECALL
    πr²

    r is the radius

    Open this card ↗