dianasakala19 dianasakala19
  • 30-07-2019
  • Mathematics
contestada

Two tins are geometrically similar. If the ratio of their volume is 27:64 find the ratio of their curved surface area.

Respuesta :

jimrgrant1 jimrgrant1
  • 30-07-2019

Answer:

9 : 16

Step-by-step explanation:

Given 2 similar figures with linear ratio = a : b, then

area ratio = a² : b² and

volume ratio = a³ : b³

Here the volume ratio = 27 : 64, hence

linear ratio = [tex]\sqrt[3]{27}[/tex] : [tex]\sqrt[3]{64}[/tex] = 3 : 4

Hence area ratio = 3² : 4² = 9 : 16

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