1.

Branliest!!!! LAst of my points!

Answer»

Answer:

40 SQ.in

Step-by-step explanation:

TOTAL surface area of the pyramid = area of 4 triangles+ area of square

=4×1/2×3×4 + 4×4 sq.in

=24 + 16 sq. in

=40 sq. in

please mark as BRAINLIEST



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