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Kipish [7]
3 years ago
7

Pyramid A and Pyramid B are similar. Pyramid A has a volume of 648 m and Pyramid B has a

Mathematics
1 answer:
ryzh [129]3 years ago
7 0

Answer:

the ratio of the surface area of Pyramid A to Pyramid B is: \frac{36}{49}

Step-by-step explanation:

Given the information:

  • Pyramid A :  648 m^{3}
  • Pyramid B : 1,029 m^{3}
  • Pyramid A and Pyramid B are similar

As we know that:

If two solids are similar, then the ratio  of their volumes is equal to the cube

of the ratio of their corresponding  linear measures.

<=> \frac{Volume of A }{Volume of B} =(\frac{a}{b}) ^{3} =  \frac{684}{1029} = \frac{216}{343}

<=> \frac{a}{b} =\frac{6}{7}

Howver, If two solids are similar, then the n ratio of their surface areas is equal  to the square of the ratio of their  corresponding linear measures

<=> \frac{surface area of A}{surface area of B}  =( \frac{a}{b}) ^{2}

= \frac{36}{49}

So  the ratio of the surface area of Pyramid A to Pyramid B is: \frac{36}{49}

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