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7-9

radius

Character Composition


Characters

Pinyin

ban4jing4 • bànjìng

Meaning


Primary

radius

Alternatives

radii

Mnemonic


A 半径 radius follows a 径 track from a circle's center to its edge, covering 半 half the diameter.

Usage


这 个 圆 的 半径 是 五 公分。

The radius of this circle is five centimeters.

请 算出 这 个 圆 的 半径。

Please calculate the radius of this circle.

半径 越 大, 圆 的 面积 就 越 大。

The larger the radius, the larger the area of the circle.