Question

give the formula of area & perimeter of piramid

Answer 1

The Surface Area of a Pyramid When all side faces are the same:[Base Area] + 1/2 × Perimeter × [Slant Length]When side faces are different:[Base Area] + [Lateral Area] 

Answer 2

Area=(1/2*P*S)+A
P=perimeter
S=side length
A=area of base