# math calculus

posted by
**Paige**
.

. Folding a Pyramid - A pyramid with a square base and four faces,

each in the shape of an isosceles triangle, is made by cutting away four

triangles from a square piece of cardboard and bending up the resulting

triangles to form the walls of the pyramid. What is the largest volume

the pyramid can have assuming that the square piece of cardboard has

sides measuring a m?

I got everything but the I can't see to find the right solutions, I need help with my differentiation