casslove518
casslove518 casslove518
  • 23-05-2019
  • Mathematics
contestada

What is the similarity ratio of a cube with volume 216 m³ to a cube with volume 2744 m³

A. 3:7
B. 7:3
C. 36:196
D. 196:36

Respuesta :

kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 01-06-2019

Answer:

A. 3:7

Step-by-step explanation:

The volume of the smaller cube is 216 m³.

The volume of the larger cube is 2744 m³

Let the  similarity ratio be [tex]l:L[/tex]

The volume of these two cubes are in the ratio:

[tex]l^3:L^3=216:2744[/tex]

This implies that:

[tex](\frac{l}{L})^3 =\frac{216}{2744}[/tex]

We take the cube root of both sides to obtain:

[tex]\frac{l}{L} =\sqrt[3]{\frac{216}{2744}}[/tex]

[tex]\frac{l}{L} =\frac{6}{14}[/tex]

This simplifies to:

[tex]\frac{l}{L} =\frac{3}{7}[/tex]

Therefore the ratio is 3:7

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