Mathematics

Pie Chart of a Circle Divided by π Radians

Last reviewed on 2026-05-22.

Mathematics — verifiable data, editable template

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About this example

A full circle is 2π radians (360°). The most common reference angles divide it into halves (π = 180°), thirds (2π/3 = 120°), and quarters (π/2 = 90°). Shown as quarters.

The data

Source

Standard trigonometry.

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