Seudónimo Seudónimo
  • 13-04-2018
  • Mathematics
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Please help. I have 2 questions. Thank you.

Please help I have 2 questions Thank you class=

Respuesta :

altavistard
altavistard altavistard
  • 13-04-2018
There's a formula for the surface area of a sphere:

A = 4*pi*r^2

Here, A = 4*pi*(15/2 yd)^2 = 706.9 sq yd, or approx 707 sq yd

Use the same formula to determine the radius of the sphere of surface area 482.8 mm^3.  Then use the formula V = (4/3)*pi*r^3 to find the volume of this sphere.
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