Simple
1+1=
2
what is a square
Right quadrilateral or a shape with all equal sides
4+4
8
what is a rectangle
square but longger or widder
10+10=
20
What is a quadrilateral
four sider shape
2x+1=3
X=1
what is a cube
3d square
546+4=
550
what does 3D mean
3 dimensions with hight and depth