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alexandr1967 [171]
2 years ago
10

What is the surface area of this square pyramid?

Mathematics
2 answers:
sesenic [268]2 years ago
6 0
The area of the base = 15 * 15 = 225 m2
ande tharea of each sloping triangular side = 1/2 * 15 * 18 =  135 m2

so total surface area = 225 + 4*135 =  765m2
Tamiku [17]2 years ago
5 0
Im thinkng D.I hope it helped.
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