# Digging a pit

The pit has the shape of a regular quadrilateral truncated pyramid. The edges of the bases are 14m and 10m long. The sidewalls form an angle of 135° with a smaller base. Determine how many m

^{3}of soil were excavated when digging the pit?### Correct answer:

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Pythagorean theorem is the base for the right triangle calculator.

See also our trigonometric triangle calculator.

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