Balancing chemical equations
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252
14:27
Overview of KhanAcademy.org
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307
05:25
Perimeter and area of a non-standard polygon
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274
03:02
Perimeter of a parallelogram
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251
01:19
Area of a kite
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383
03:48
Area of a trapezoid
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287
04:47
Area of a parallelogram
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279
05:41
Quadrilateral properties
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279
05:06
Quadrilateral overview
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239
08:23
Heron's formula
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298
04:42
Area of Koch snowflake (part 2) - advanced
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312
06:31
Area of Koch snowflake (part 1) - advanced
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355
12:29
Area of an equilateral triangle
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259
03:42
Koch snowflake fractal
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277
09:10
Triangle inequality theorem
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236
05:51
Challenging perimeter problem
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350
09:55
Area of shaded region made from equilateral triangles
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316
05:36
Area of an equilateral triangle
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323
03:42