Recent content by shipscat

I'm really, Really sorry Hootenanny, I was right with you up until " together with 1/2B and 1/2D as chords. " Where on the semi-circle should I be marking the chords? Do you mean 1/2 Breadth or 1/2 the distance from the edge of the beam to the circle? I'm sorry to seem so dumb, but I really...

Hi Hootenanny, I think I tried this last night, I came up with B=d-2x D=d-2y therefore S=(d-2x)(d-2y)(d-2y) Still with 2 variables. I'm assuming x and y cannot be equal as the problems states a rectangular beam. Am I along the right lines or 90 degrees to them?

Hi Folks, I'm working through a pre-selection maths course and have come to a complete halt with the following Differentiation problem:- " If the strength of a rectangular beam of wood varies as its breadth and the square of its depth, find the dimensions of the strongest beam that can be...