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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaShape

This rectangle's longer-to-shorter side ratio is (1 + √5) / 2.

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Your new ahaThe Golden Rectangle

The Golden Rectangle — category: Special shape. Source: Golden rectangle

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More from Shapes & Space

A few more worth knowing.

  1. 09Measured in square units, this quantity describes the extent of a two-dimensional region.RECALL
    Area

    Area measures the space inside a two-dimensional shape, expressed in square units.

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  2. 10This measurement totals the distance around a plane figure's boundary.RECALL
    Perimeter

    Perimeter totals the distance around a shape's edge by adding up the lengths of every side.

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  3. 11These measures of rotation between rays are expressed in degrees or radians.RECALL
    Angles

    Angles measure the space between two intersecting lines, expressed in degrees or radians.

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