Balancing chemical equations
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571
14:27
Overview of KhanAcademy.org
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701
05:25
Perimeter and area of a non-standard polygon
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595
03:02
Perimeter of a parallelogram
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592
01:19
Area of a kite
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766
03:48
Area of a trapezoid
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620
04:47
Area of a parallelogram
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594
05:41
Quadrilateral properties
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605
05:06
Quadrilateral overview
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565
08:23
Heron's formula
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624
04:42
Area of Koch snowflake (part 2) - advanced
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625
06:31
Area of Koch snowflake (part 1) - advanced
Khan Academy
723
12:29
Area of an equilateral triangle
Khan Academy
606
03:42
Koch snowflake fractal
Khan Academy
606
09:10
Triangle inequality theorem
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597
05:51
Challenging perimeter problem
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678
09:55
Area of shaded region made from equilateral triangles
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635
05:36
Area of an equilateral triangle
Khan Academy
681
03:42