Question

Find the volume of a square pyramid with base edges 4 ft and height 15 ft.

A. 20 ft3
B. 60 ft3
C. 80 ft3
D. 240 ft3

Answer 1

ǫᴜᴇsᴛɪᴏɴ-:

Find the volume of a square pyramid with base edges $\sf{4}$ft and height $\sf{15}$ft.

ᴀɴsᴡᴇʀ-:

Option $\sf{C}$ = $\sf{80}$ft${^3}$

sᴏʟᴜᴛɪᴏɴ-:

Let us asume Volume as V.

$\sf{V}$ = $\sf{a^2}$ $\sf\frac{h}{3}$

$\sf{V}$ = ${4^2}$ $\frac{15}{3}$

$\sf{V}$ = $\sf{80ft^3}$