What shape is both a rhombus and rectangle? A. square
B. kite
c. trapezoid
D. triangle

A square

Step-by-step explanation:

Definition of a rhoumbus: Shape that 4 sides that are all equal

Definition of a rectangle: 4 Right Angles

Definition of a square: All sides and angles are equal.

So, the square has 4 right angles, and has 4 equal sides

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "