Balancing chemical equations
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212
14:27
Overview of KhanAcademy.org
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276
05:25
Perimeter and area of a non-standard polygon
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249
03:02
Perimeter of a parallelogram
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226
01:19
Area of a kite
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336
03:48
Area of a trapezoid
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268
04:47
Area of a parallelogram
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240
05:41
Quadrilateral properties
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235
05:06
Quadrilateral overview
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219
08:23
Heron's formula
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275
04:42
Area of Koch snowflake (part 2) - advanced
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274
06:31
Area of Koch snowflake (part 1) - advanced
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284
12:29
Area of an equilateral triangle
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236
03:42
Koch snowflake fractal
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251
09:10
Triangle inequality theorem
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216
05:51
Challenging perimeter problem
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318
09:55
Area of shaded region made from equilateral triangles
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264
05:36
Area of an equilateral triangle
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279
03:42