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Semenov [28]
3 years ago
15

Please answer see the image

Mathematics
2 answers:
insens350 [35]3 years ago
5 0
Answer: 40.32

Explanation: I worked it out
sesenic [268]3 years ago
3 0

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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