you buy a ring box as a birthday gift that is in the shape of a triangular prism. What is the least amount of wrapping paper needed to wrap the box? The lengths of the box are 14.5 cm, 8 cm, 10 cm, 10.5 cm

Answer 1

the prism has two triangular faces and three rectangular sides.
Since you do not provide any information on which dimensions are for the triangle, I can't say what the area is.

However, I assume you know how to find the area of triangles and rectangles, so ...