| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Expression | 1. Angles formed by the sides of any right-lined figure, when the sides are produced or lengthened.[Websters]. | |
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| Expressions | Definition | ||
| External angles | Angles formed by the sides of any right-lined figure, when the sides are produced or lengthened. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||