Question

One on my homework Am I right show me how you did it

Answer 1

To determine the surface area of the pyramid we will use the following formula (another method: compute the area of each triangle and add it to the base area):

`SA=a^2+2a\sqrt{(a^2)/(4)+h^2},`

where a is the side length of the base of the pyramid, and h is its height.

Substituting

`\begin{gathered} a=20m, \\ h=13m \end{gathered}`

in the above formula, we get:

`SA=(20m)^2+2(20m)\sqrt{((20m)^2)/(4)+(13m)^2}.`

Simplifying the above result, we get:

`SA≈1056m^2.`

Answer:

`1056m^2.`