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Angle Measurements in Triangles
There are 16 videos in this category and 0 videos in 0 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 15 - 18
659 Views:
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This short, one-minute clip shows how to construct the incenter using a compass and straightedge.
October 12, 2011 at 09:17 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
656 Views:
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Sal Khan, of Khan Academy, uses angle bisectors to find the incenter and incircle of a triangle in this eight-minute video.
October 12, 2011 at 09:13 PM
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Not Right For WatchKnowLearn
Ages: 15 - 18
255 Views:
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In this ten-minute video clip, Sal Khan, of Khan Academy, compares perpendicular bisectors to angle bisectors to medians to altitudes in this review. (09:56)
October 20, 2011 at 10:08 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
126 Views:
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Salman Khan offers his intuition behind the triangle inequality theorem during this six-minute video lesson.
December 24, 2012 at 11:54 AM
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Not Right For WatchKnowLearn
Ages: 12 - 18
1009 Views:
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The instructor uses computer software to discuss vertical angles, exterior angles, alternate interior angles, etc. The sound quality could be a little better.
March 27, 2010 at 03:46 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
343 Views:
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The instructor uses a white board to demonstrate how to find the measures of angles of a triangle algebraically. (03:01)
July 8, 2009 at 06:33 AM
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Not Right For WatchKnowLearn
Ages: 10 - 14
943 Views:
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The instructor uses an electronic blackboard with different colors. The angle game is explained and played using a star shape. Using information student knows about various angles they can figure out the sizes of the angle X. Video can be stopped a...nd then restarted to get solution. Video gives some measurements and instructed to find the rest of the angles. This game and shape is definitely a challenge to students, but could be fun for students looking for extra practice on angle measurement. (9:49)
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July 13, 2009 at 06:33 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
794 Views:
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In this TeacherTube video, the instructor shows how to find angle measurements. The writing on the instructors' white board is small, so viewers may want to open the video to 'full screen'. (04:12)
March 27, 2010 at 03:33 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
290 Views:
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In this six-minute video clip, Sal Khan shows the ratios of the sides of a 45-45-90 triangle are 1:1:sqrt (2).
October 5, 2011 at 08:09 PM
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Not Right For WatchKnowLearn
Ages: 15 - 18
248 Views:
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Sal Khan shows that the three medians of a triangle divide it into six smaller triangles of equal area. There is a brief discussion of the centroid as well. (07:46)
October 17, 2011 at 06:43 PM
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