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Perimeter and Area of Triangles
There are 11 videos in this category and 0 videos in 0 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 11 - 16
1165 Views:
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Students learn the formula for the area of a triangle, and are asked to solve problems using this formula. Note that right triangle formulas and trigonometry are used extensively in the problems in this lesson.
August 20, 2009 at 03:22 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
999 Views:
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In this video, the insructor explores and demonsrates the proof of Heron's Formula. The instructor demonstrates with computer software.
March 17, 2010 at 08:23 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
954 Views:
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This video demonstrates how to use Heron's Formula to determine the area of a triangle while only knowing the lengths of the sides.
March 17, 2010 at 08:16 PM
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Not Right For WatchKnowLearn
Ages: 16 - 18
933 Views:
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Video shows that the expression in part 1 is identical to Heron's Formula. This video demonstrates how to use Heron's Formula to determine the area of a triangle while only knowing the lengths of the sides.
March 18, 2010 at 08:04 PM
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Not Right For WatchKnowLearn
Ages: 11 - 15
1348 Views:
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In this video, there is a teacher explaining the area of a triangle is the base times the height divided by two. Students can find the area of a triangle with tips from a math teacher. (01:20)
July 11, 2009 at 11:05 AM
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Not Right For WatchKnowLearn
Ages: 12 - 18
1112 Views:
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How to Calculate Area of a Triangle. Part of the series: Construction Math for Building Materials. Learn how to calculate area of a triangle in this one-minute video. Jon holds a Bachelors of Science in Education and Human Sciences degree, with an en...dorsement in Industrial Technology Education from the University of Nebraska in Lincoln.
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January 12, 2011 at 08:25 PM
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Not Right For WatchKnowLearn
Ages: 10 - 16
1007 Views:
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Instructor walks the learner through the process for finding the area of a triangle. Example includes using the formula (bh)/2 and gives an explanation for how to label the answer.
April 13, 2010 at 10:35 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
968 Views:
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This is a very brief tutorial that focuses on solving the perimeter of a triangle. The teacher uses a small whiteboard for instruction. (01:51)
April 17, 2011 at 12:40 PM
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Not Right For WatchKnowLearn
Ages: 11 - 16
943 Views:
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The instructor uses an electronic chalkboard to demonstrate how to find the area of a triangle. One example is modeled using a step by step approach to find the area when given a height and base length.
April 28, 2010 at 08:56 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
661 Views:
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This 3:34 long video reviews how these problems are solved using a lecture format. The video may have to be stopped at times to add depth to the fast moving lecture.
November 12, 2011 at 10:44 AM
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