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Ludmilka [50]
3 years ago
7

Two triangular pyramids are similar the volume of the large pyramids is 729cm and the volume of the smaller pyramids is 64 cm .

If the perimeter of the base of the similar pyramids is 8 cm what is the perimeter of the base of the larger pyramids
Mathematics
1 answer:
lilavasa [31]3 years ago
8 0

Answer:

18 cm for larger base

Step-by-step explanation:

For similar figures, there is a formula regarding volume, area, and length

Large: small =  y: x   for length

large: small = (y^3) / (x^3)  for volume

729 cm cube/ 64 cm cube  = large : small

9: 4  = large: small  by length

large/ 8cm = 9/ 4

large = 8*(9/4) = 2*9 = 18 cm

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