The tent
The tent shape of a regular quadrilateral pyramid has a base edge length a = 2 m and a height v = 1.8 m. How many m2 of cloth we need to make the tent if we have to add 7% of the seams? How many m3 of air will be in the tent?
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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