Please answer see the image
2 answers:
Answer: 40.32
Answer:
<h2>39 km²
</h2><h2 />
Step-by-step explanation:
surface area of a square pyramid
= Area of base + 1/2 base perimeter * slant height
= (3 x 3) + (1/2 x (3*4) x 5)
= 9 + 30
= 39 km²
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