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Piramida regulata SABC are latura AB =12 cm si Inaltimea SO=2rad6 cm  


A)Apotema (SM)??????????


Răspuns :


SM²=SO²+OM²

AM=l√3/2

AM=12√3/2

AM=6√3

OM=1/3 * 6√3=2√3

SM²=(2√6)²+(2√3)²

SM²=24+12

SM²=36

SM=√36

SM=6

sper ca te-am ajutat