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Find the surface area of the pyramid.

Find the surface area of the pyramid.-example-1
User Lyubomir
by
4.0k points

1 Answer

5 votes

Answer:

129.6

Explanation:

A= 1/2 bh

=7.8 x 9 x 1/2

= 35.1

A= 1/2 bh

=7x 9 x 1/2

= 31.5

31.5 x 3

= 94.5

Add

35.1 + 94.5 = 129.6

User Ssawchenko
by
3.8k points