Question

Hello help me show my work on number 6 please

Answer 1

The formula for finding the density of the wooden square pyramid is :

`\text{density}=(mass)/(volume)`

mass given: 100,000grams (g)

The volume of the pyramid is calculated with the formula:

`V=(1)/(3)* base\text{ area x perpendicular height}`
`\begin{gathered} \text{base area = l}^2 \\ l=65cm^2 \\ \text{Base area= (65)}^2 \\ \text{Base area =4225cm}^2 \end{gathered}`

Perpendicular height: 90cm

`\begin{gathered} V=(1)/(3)*4225*90 \\ V=126750cm^3 \end{gathered}`

Now, we can calculate the density: