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ineedhelponmyhw

The ratio between the radii of two spheres is 9:2 What is the ratio of their volumes?

  • one year ago
  • one year ago

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  1. theyatin
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    cube the ratios

    • one year ago
  2. ineedhelponmyhw
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    is it 729:8 ?

    • one year ago
  3. theyatin
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    r:R is ratio between radii then r^3:R^3 is ratio between volume

    • one year ago
  4. ineedhelponmyhw
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    so am i correct then?

    • one year ago
  5. Mitul
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    \[V1/V2 = (4*\pi*r1^3)/(4*\pi*r2^3)\]

    • one year ago
  6. Mitul
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    Volume is proportional to the cube of the radius

    • one year ago
  7. ineedhelponmyhw
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    im confused am i wrong then?

    • one year ago
  8. kropot72
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    @ineedhelponmyhw Your answer 729/8 is correct.

    • one year ago
  9. ineedhelponmyhw
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    ok thank you!

    • one year ago
  10. Mitul
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    Answer is correct.....i was just giving u the concept @ineedhelponmyhw

    • one year ago
  11. kropot72
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    You're welcome :)

    • one year ago
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