<p>Czworościan - ostrosłup, który ma wszystkie ściany takie same.<br /><img class="fm-editor-equation" src="data:image/png;base64,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" data-mlang="latex" data-equation="Pc%3D4*%5Cfrac%7Ba%5E2%5Csqrt%7B3%7D%20%7D%7B4%7D%3Da%5E2%5Csqrt%7B3%7D" /></p>