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11-73.

Elliot has a modern fish tank that is in the shape of an oblique rectangular prism, shown at right.

  1. Calculate the volume of water the tank can hold.

    Use a special right triangle to find the height of the parallelogram.

    Find the height of the parallelogram:

    linear scale factor

    Find the volume:

  2. If Elliot has fish, how crowded are the fish? That is, what is the density of fish measured in number of fish per cubic inch?

  3. What is the density of fish in Elliot’s tank in fish per cubic foot?

    Use dimensional analysis to convert

prism, 13 by 12 by 7 inches, makes a  60 degree angle with the flat surface on which the prism is placed