You multiply the height by the length.
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The area of a 12 by 7 grid is 84.
Well, isn't that just a happy little question! To find the area of a grid, you simply multiply the length by the width. So, for a grid that is 6 cm by 7 cm, you would multiply 6 by 7 to get an area of 42 square centimeters. Just imagine all the wonderful things you could paint on a canvas that size!
To find the area of a rectangle, you multiply the length by the width. In this case, the length is 4 units and the width is 3 units. Therefore, the area of the 4 by 3 grid is 4 units x 3 units = 12 square units.
The area of a rectangle is calculated by multiplying its length by its width. In this case, the grid is 15m by 10m, so the area would be 15m x 10m = 150 square meters. This means that the grid covers a total area of 150 square meters.
Count the number of little grid-blocks inside the shape.