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Talja [164]
3 years ago
11

Need ASAP. Only answer if ur confident in ur answer

Mathematics
1 answer:
Anettt [7]3 years ago
4 0

Answer:

<h2> 360 m²</h2><h2 />

Step-by-step explanation:

surface area of a square base pyramid = base area + 4 ( triangular sides area)

where:

base = 12 m

side height length = 9 m

Surface area = 12² + 2(12)9

                     = 144 + 216

                     = 360 m²

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