Question

tsa of square base pyramid

Answer 1

Tsa of square based pyramid is the sum of the areas of its lateral faces and its base.

Answer 2

first there are 5 figures with 4 equal triangles and one square

so are of square=a×a that is a^2

area of triangle=1/2.×b×h
if base is a so =1/2×a×h

so
total area
a×a+4(1/2×a×h)
a×a+2×4a×4h
a×a+32ah
$a×a+32ah$

hope it helps;)