For a cover image that aims to give students an understanding of the area and volume of solid and plane objects, you would want a design that is both engaging and illustrative of the concepts involved. The image could feature a mix of 3D solid shapes (like spheres, cubes, cylinders, and pyramids) and 2D shapes (like squares, rectangles, circles, and triangles) in a visually appealing layout. Including mathematical symbols or equations that relate to the calculation of area and volume can also help hint at the mathematical processes involved.

Consider an image that includes:

3D Objects: A cube, a sphere, a cylinder, and a pyramid, each with an overlay or adjacent formula that shows how to calculate their volume.
2D Shapes: A circle, a square, a rectangle, and a triangle, with simple equations or annotations indicating how their area is calculated.
Visual Elements: Arrows or lines could be drawn from the 3D objects to their 2D bases to illustrate the concept of how area plays into the 