Area on a Coordinate Plane 2

Directions: Using the integers -9 to 9 at most one time each, fill in the boxes to create coordinates that represent the vertices of the triangle with the smallest possible area.

Hint

How can you graphically estimate your triangle’s area before you calculate it?

Answer

The triangle with the smallest possible area that has been found so far has an area of 2.5 units2 from the coordinates (-1, 1), (0, 2), and (1, -2). If you find one with less area, share it in the comments.

Source: Robert Kaplinsky

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