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NeX [460]
3 years ago
9

What is the surface area of the square pyramid? (Figure is not drawn to scale.)

Mathematics
1 answer:
Reil [10]3 years ago
6 0
Area of the base = 8^2 = 64

area of 1 traingle = 1/2 * 8 * 5.4 =  21.6

there are 4 triangular sides  so their area = 4 * 21.6  = 86.4

Total surface area = 64 + 86.4 =  150.4 cm2

D
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