Khan Academy on a Stick
Proof: Rhombus area half product of diagonal length
Showing that we can find the area of a rhombus by taking half the product of the lengths of the diagonals
If the above player doesn't work, try this direct link.
Showing that we can find the area of a rhombus by taking half the product of the lengths of the diagonals
If the above player doesn't work, try this direct link.