# base angle

## base angle

[′bās ‚aŋ·gəl]
(mathematics)
Either of the two angles of a triangle that have the base for a side.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The basic trigonometry of an inclined plane allows you to calculate the acceleration rate as the sine of the base angle. To do the math, you must first convert runway gradient from percent slope to an angle in degrees and then solve the formula [DELTA]v=[check]2 sin o [DELTA]h.
While Moss5 showed a smaller cranial base angle in subjects of class III malocclusion and that of Hopkins et al10 and other studies showed greater angle in Class II subjects8, there are studies reporting little or no such correlation.
###* When one side and the base angle are given (Application)
Significant differences in anterior cranial floor base angle CF-PM, middle cranial floor base angle Ba-SE-PM, posterior cranial base inclination SBa-FH, and cranial floor base angle Ba-SE-FMS were determined between class II division 1 malocclusion and class I malocclusion patients.
where [[delta].sub.b] is base angle; [[delta].sub.f] is root angle; [[delta].sub.a] is tip angle; R is sphere radius, that is, outer cone distance.
The results show that base angle and Rayleigh number exert a strong influence on the velocity and the temperature profiles.
Because the notochord determines the development not only of the body of the atlas vertebra, but also of the basilar part of the occipital bone, which is the posterior part of the cranial base angle, it is possible that the cranial base angle is associated with deviations in the atlas vertebrae.
The base angle of the quadrangular frustum pyramid is 71.56[degrees].
Although there is some controversy regarding what constitutes ideal posture of the pelvis in the sagittal plane, it is generally considered to be a position of anterior tilt such that the sacral base angle measures approximately 30 degrees.
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