Question

Find volume of this prism

Answer 1

Answer:

$324$ $km^{3}$

Step-by-step explanation:

V = $\frac{1}{3}$  $b$ · $h$

V = $\frac{1}{3}$  $81$ · 12

V = $\frac{1}{3}$  $972$

V = $324$ $km^{3}$

Answer 2

Answer:

324 km²

Step-by-step explanation:

The prism shown is a square pyramid

The volume of a square pyramid can be calculated by using this formula

$V=lw\frac{h}{3}$

where l = length of base, w = width of base and h = height

We are given the following dimensions...

length of base = 9 km

width of base = 9 km

height = 12 km

To find the volume of the pyramid, we plug in these given values into the formula

Hence,

$V = 9 * 9* \frac{12}{3} \\\frac{12}{3} =4\\V = 9*9*4\\9*9=81\\81*4=324$

V = 324