$A. \frac{a^3}{2}$

$B. \frac{\sqrt{3}{a}^3}{2}$

$C. \frac{\sqrt{3}{a}^3}{4}$

$D. \frac{a^3}{4}$

A. V = $\frac{a^3\sqrt{6}}{4}$

B. V =  $\frac{a^3\sqrt{6}}{12}$

C. V =  $\frac{3a^3}{4}$

D. V =  $\frac{a^3}{4}$

A.  $\frac{4a}{3}$

B. $\frac{2a}{3}$

C. $\frac{3a}{4}$

D. $\frac{3a}{2}$

$A. \frac{2\sqrt{10}{a}^3}{3}$

$B. 2\sqrt{10}{a}^3$

$C. 2\sqrt{6}{a}^3$

$D. \frac{2\sqrt{6}{a}^3}{3}$

$A. V = \frac{\sqrt{3}}{36}$

$B. V = \frac{\sqrt{3}}{3}$

$C. V = \frac{\sqrt{3}}{6}$

$D. V = \frac{\sqrt{3}}{12}$