tetrahedral angle


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tetrahedral angle

[‚te·trə¦hē·drəl ′aŋ·gəl]
(mathematics)
A polyhedral angle with four faces.
References in periodicals archive ?
Students can easily understand bond angles such as 180[degrees], 120[degrees], or 90[degrees] (Table 1), but students (and teachers) often ask why the tetrahedral angle is approximately 109[degrees].
tetrahedral angle [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] Equation 1
Since Pythagoras1 Rule and the Cosine Rule are in various mathematics curricula at either Year 10 or Year 11 (eg, ACARA, 201 la; VCAA, 2005b), finding the tetrahedral angle can be used in mathematics as an example of applying mathematics outside the mathematics classroom (ACARA, 2011a).