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Lana71 [14]
3 years ago
11

Find the surface area of the regular pyramid.

Mathematics
1 answer:
Nuetrik [128]3 years ago
5 0

Answer:

B

Step-by-step explanation:

Base area = side^2 = 3^2 = 9 m^2

Base perimeter = side x 4 = 3 x 4 = 12 m

LA = (base perimeter x slant height)/2 = (12 x 5)/2 = 30 m

SA = base area + LA = 9 + 30 = 39 m^2

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