To find the coordinates, count the number of lines from the last marked line. The x coordinate will be found by counting the numbers side to side. In this case, the x is -8. The y coordinate is found by counting the numbers up and down. In this case, the y is 7.
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1) calculate the volume of the tri prism 2) find area of the base face 3) find the height 4) multiply area of the triangle base time height 5) answer will be in cubic units
