Agirl is now one-fourth as old as her father, and in seven years, she will be one-half as old as her father was twelve years ago. what are her and her father's present ages?

father's age = 20; daughter's age = 5
father's age = 52; daughter's age = 13
father's age = 76; daughter's age = 19

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 "