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Cartesian grid area from coordinates

This math skill teaches how to calculate the area of a rectangle on a Cartesian grid using its coordinates. Determine the rectangle's width and height by finding the range of x and y coordinates, respectively, and then multiply these dimensions to find the area.

Learn cartesian grid area from coordinates

Teaching Transcript

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Find the area of the shape on the Cartesian grid from its coordinates

To find the width, we notice that the X coordinates go from negative 2 to 3

So that's a width of 5

And for the height, the Y coordinates go from negative 4 to 3

So that's a height of 7

Our shape is a rectangle, so the area is width times height, which is 35. This approach works for any shape as you can find the dimensions from the grid.

Skill Practice

Cartesian grid area from coordinates

Test your understanding of cartesian grid area from coordinates by practicing it! Work through the below exercises to use it in practice.