Bricks pyramid

How many 50cm x 32cm x 30cm brick needed to built a 272m x 272m x 278m pyramid?

Correct answer:

n =  142830222

Step-by-step explanation:

278 m = 2780 dm = 22 × 5 × 139 dm 272 m = 2720 dm = 25 × 5 × 17 dm  a=272 m h=278 m  x=50 cm m=50:100  m=0.5 m y=32 cm m=32:100  m=0.32 m z=30 cm m=30:100  m=0.3 m  V0=x y z=21 258 103=1256=0.048 m3 V=31 a2 h=31 2722 2786855850.6667 m3  n=V/V0=320567552/1256=320567552:1256=320567552 6125=3 620567552 125=182570944000=142830222



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