Question

The length of a 3D rectangle is 8cm greater than the width and the height is half the length. A total of 108 cm of wire has been used the make this framework. What are the dimensions of this box?

Answer 1

The dimension is 3d and 8 cm

Answer 2

L=W+8

(W+8)W=105

W^2+8W=105

W^2+8W-105=0

(W+15)(W-7)=0

W-7=0