Video

Area of a quadrilateral on a grid (Full video)

Khan Academy

Supporting grades: 6

Description: Learn to break up oddly shaped quadrilaterals into shapes where finding the area is more easily determined. Created by Sal Khan. I want you to pause this video and figure out if you can figure out the area of this quadrilateral right over here. Try to break it up into shapes where it is easier to find the area, especially given the grid of these unit squares that we have right over here. So I'm going to start at points where it would be very easy to measure the dimensions of whatever figures we might break it up at.

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