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lostdove

  • 4 years ago

the diameter of the moon is 3480km. (a) whats the surface area of the moon? (b)how many times larger is the surface area of the earth?

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  1. Annand
    • 4 years ago
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    surface area of a sphere is \[4\pi*r^2\] r=radius...

  2. Annand
    • 4 years ago
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    assuming spherical shape to moon, its radius is 3480/2 km... substitute to find the area

  3. lostdove
    • 4 years ago
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    can u show me the work like how u got that

  4. Annand
    • 4 years ago
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    got what?

  5. Annand
    • 4 years ago
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    area?

  6. lostdove
    • 4 years ago
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    yeah

  7. Annand
    • 4 years ago
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    value of pi is approximately 3.14... just substitute surface area=4*(3.14)*(1740)^2 sq.km

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