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Find the surface area of the pyramid

Find the surface area of the pyramid-example-1
User Artavia
by
4.5k points

1 Answer

6 votes

Answer:

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

User Lucas Moulin
by
4.5k points