(1)\ volume:\hspace{105} V={\large\frac{1}{3}}a^2h\\
(2)\ lateral\ area:\hspace{65} F=a\sqrt{4h^2+a^2}\\\vspace{5}
(3)\ surface\ area:\hspace{63} S=F+a^2\\\vspace{5}
(4)\ height\ of\ side\ face:\hspace{20} b=\sqrt{h^2+({\large\frac{a}{2}})^2}\\
(5)\ angle\ of\ inclination:\hspace{10} \phi=tan^{\scriptsize{-1}}({\large\frac{2h}{a}})\\
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