Zenith angles, vertical angles, NAzimuths & Bearing Astrid Northrup 31:47 6 years ago 12 226 Скачать Далее
Solar Angles [Animated] | Angle of Latitude| Zenith Angle|Azimuth Angle|Tilt & Inclination[English] Education Lessons 8:09 4 years ago 88 760 Скачать Далее
Vertical Angle Theorem - MathHelp.com - Geometry Help MathHelp.com 2:51 16 years ago 90 404 Скачать Далее