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OpenStudy (anonymous):
Find the surface area of a sphere with a radius of 10. Use 3.14 for π. Answer 1256 1257 1258 1259
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sam (.sam.):
Sphere surface area formula: \[A=4\pi r^2\]
OpenStudy (anonymous):
Im not sure. so 4x10x3.14^2 or??...
sam (.sam.):
A=4(3.14)(10)^2
OpenStudy (anonymous):
Thanks very much for your help. I needed help with one more. Find the surface area of a cone with a slant height of 19 and a radius of 7. Use 3.14 for π.
OpenStudy (anonymous):
Im not sure what the formula and stuff is..?
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