Answer:
The least amount of paper needed to make the lantern is the Surface Area of the Pyramid.
Step-by-step explanation:
A square pyramid is a pyramid which has its base as a square. It is commonly called square-based pyramid for clarity. The Surface area of a pyramid can be calculated in one of two ways.
(1)If Given the Perpendicular Height (h)
Surface Area , [tex]A = a^{2}+2a\sqrt{\frac{ a^{2}}{4}+ h^{2}}[/tex]
(2) If given the Slant Height (L)
Surface Area , [tex]A=a^{2} +2al[/tex]
