Trazar las rectas tangentes exteriores a dos circunferencias (Tangencias).

SUBSCRIBE: http://goo.gl/4lWWoY In this video, we draw the external tangent lines to two circles. WEBSITE: http://profesordedibujo.com/ TWITTER:   / profededibujo   FACEBOOK:   / pddprofesordedibujo   If you want to see more videos on plane geometry, representation systems, or technical drawing in general, visit the channel and subscribe: http://goo.gl/bqJI2c If you found this helpful, please like, favorite, or share it. Thank you! This video was created with GeoEnZo: www.geoenzo.com