Nothing, other than tat they have the same area!
It depends on what you mean by "same". The same area? Yes, it can be. The same shape? Yes, it can be. The same are and shape, Yes, it can be.
No. The fact that the bases have the same area says nothing about the shape of the bases.
they are different because perimeter is the out side of the shape and area is inside of the shape.
A square will. The only shape that can enclose more area with the same perimeter is a circle.
Any plane shape can have the same area as any other plane shape if the dimensions are carefully selected
No , perimeter is the measurement outside of the shape; the border. Area is the measurement of inside of the shape.
No.
because they are the same shape
A circle.
a square
a shape with all there sides the same legth
Cogruent means the same size and shape. They do not have to be the same color.