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Find the erea of one of the bases of a circular

Mathematics
Tutor: None Selected Time limit: 1 Day

Mar 21st, 2015

Now Lateral area = 30 π       height = h = 5

Then putting the values, we get

30 π = 2 π r 5

30 π = 10 π r

30 π / 10 π = r

r = 30 / 10

r = 3

Now we find the area of the circular base  

Area of circular base = π r^2

Area of circular base = (3.14)(3)^2

                                   = (3.14)(9)

                                   = 28.26 square units

Mar 21st, 2015

im not sure whats the answer for it its 1,2,3 or 4 

Mar 21st, 2015

im not sure whats the answer for it its 1,2,3 or 4 

Mar 21st, 2015

Its third  9 π

Mar 21st, 2015

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Mar 21st, 2015
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