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Luden [163]
3 years ago
12

Please help!

Mathematics
2 answers:
Svetllana [295]3 years ago
5 0
8 x 5 = 40 but since it is a triangle, you have to divide by two which is 20
20 x 4(because there are 4 triangles)
= 80
the surface area of the square pyramid is 80
Rudiy273 years ago
4 0
Base: 8x8=64
Sides: 8x5=40 40 divide by 2= 20
20x4=80
80+64=144m^2
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