Oblicz pole siatki czworościanu foremnego o krawędzi 3 cm
a = 3 cm
P = 4* [ a^2 p(3)/4] = a^2 *p( 3) = ( 3 cm )^2 p(3) = 9 p(3) cm^2
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a = 3 cm
P = 4* [ a^2 p(3)/4] = a^2 *p( 3) = ( 3 cm )^2 p(3) = 9 p(3) cm^2
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