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V=⅓ ×25×2=16,(6)
P=25+4×6,25√3=25+25√3=25(1+√3)
b)a=4 h=3
P(podstawy)=6×√3/4×a²=6√3/4×25=37,5√3
V=⅓×2×37,5√3=25√3
P(ostrosłupa)=6×2√3+37,5√3=49,5√3