Question

I need help with the attachment below. Please explain the work.

Answer 1

The formula is v=
$v = \frac{1}{2} \times a \times c \times h$
where a = 4
c = 6
h = 16
work:
$v = \frac{1}{2} \times 4 \times 6 \times 16$
$v = 192 {cm}^{2}$