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Given a right triangle with an acute angle $\theta$ , the side of the triangle that is opposite of $\theta$ is the side of the triangle that is not a side of $\theta$ .
This definition can be generalized to any triangle and any angle $\theta$ : The side of the triangle that is opposite of $\theta$ is the side of the triangle that is not a side of $\theta$ . This more general definition is not used as commonly as the definition for right triangles.
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"opposite" is owned by Wkbj79.
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See Also: sohcahtoa
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opposite side |
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Cross-references: angle, triangle, side, acute angle, right triangle
There are 51 references to this entry.
This is version 10 of opposite, born on 2006-06-11, modified 2007-06-01.
Object id is 8012, canonical name is Opposite2.
Accessed 5597 times total.
Classification:
| AMS MSC: | 51-01 (Geometry :: Instructional exposition ) | | | 51-00 (Geometry :: General reference works ) |
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Pending Errata and Addenda
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{opposit... ...15){$\theta$} \rput[l](0,0){.} \rput[a](4,0){.} \rput[b](4,4){.} \end{pspicture}](http://images.planetmath.org:8080/cache/objects/8012/js/img1.png "\begin{pspicture}(0,-2)(8,4) \pspolygon(0,0)(4,4)(4,0) \rput[l](4.1,2.1){opposit... ...15){$\theta$} \rput[l](0,0){.} \rput[a](4,0){.} \rput[b](4,4){.} \end{pspicture}")