Question

Find the surface area of the pyramid

Answer 1

451 in.^2

Explanation:

base area of a pyramid=a^2

=11^2

=121 in.^2

area of triangular face=
`4((1)/(2) )*a*l`

=
`2*11*15`

=
`330 inch^2`

surface area= base area + area of triangular faces

=121 in.^2 + 330 in.^2

=451 in.^2