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The answer is 0.8! Hope this helped 
asuwafohjames

The values of x is 0.8 and the right option is O A. 0.8.

What are similar shapes?

Similar shapes are enlargements of two shapes using scale factor.

The ratio of the corresponding lengths of similar shapes is equal.

Formula:

  • Height of the larger cone/Height of the smaller cone = Radius of the larger cone/Radius of the smaller cone

From the diagram,

  • 10/2 = 4/x

make x the subject of the equation

  • x =(4×2/10)
  • x = 8/10
  • x = 0.8.

Hence, the values of x is 0.8 and the right option is O A. 0.8.

Learn more about similar shapes here: https://brainly.com/question/2644832

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