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Mathematics 18 Online
OpenStudy (waheguru):

help fast

OpenStudy (waheguru):

OpenStudy (anonymous):

surface area of a sphere: A = 4*pi*r^2

OpenStudy (waheguru):

so how much money???

OpenStudy (waheguru):

im getting 541 dollars

OpenStudy (anonymous):

use r = 0.124 Find A with this r for the price use: A*28

OpenStudy (waheguru):

so what are u getting for the price

OpenStudy (anonymous):

You have over 20 square meter of surface on a basketball?!

OpenStudy (waheguru):

cant i use 12.4 as the radius and then divide by 100 to get the meters

OpenStudy (anonymous):

A = 4*pi*0.124^2 Price = A*28 Use your calculator

OpenStudy (anonymous):

no, you have to divide by 100*100 as you are now talking about surface (=cm*cm or m*m)

OpenStudy (waheguru):

why

OpenStudy (anonymous):

Let's say you have 1 meter by 1 meter of paper..... 1 square meter.... this square meter holds 100 times 100 square centimeter pixels...

OpenStudy (waheguru):

oh thankyou

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