Balancing chemical equations
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391
14:27
Overview of KhanAcademy.org
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516
05:25
Perimeter and area of a non-standard polygon
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421
03:02
Perimeter of a parallelogram
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405
01:19
Area of a kite
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585
03:48
Area of a trapezoid
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428
04:47
Area of a parallelogram
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425
05:41
Quadrilateral properties
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427
05:06
Quadrilateral overview
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388
08:23
Heron's formula
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440
04:42
Area of Koch snowflake (part 2) - advanced
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456
06:31
Area of Koch snowflake (part 1) - advanced
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526
12:29
Area of an equilateral triangle
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429
03:42
Koch snowflake fractal
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445
09:10
Triangle inequality theorem
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406
05:51
Challenging perimeter problem
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514
09:55
Area of shaded region made from equilateral triangles
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467
05:36
Area of an equilateral triangle
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512
03:42