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Mathematics 6 Online
OpenStudy (anonymous):

http://i1142.photobucket.com/albums/n608/nancylam67/page717.jpg

OpenStudy (anonymous):

Find the distance of the two points on the rectangle that are furthest apart. Use a^2+b^2=c^2, c is the hypotenuse, a and b are the two sides

OpenStudy (anonymous):

a and b for wide and long?

OpenStudy (anonymous):

so what is the question so i can solve

OpenStudy (anonymous):

yes. can you look on the link

OpenStudy (anonymous):

how I can find the radius of sphere?

OpenStudy (anonymous):

but the area of a sphere is 3/4 PI r²h rite???

OpenStudy (anonymous):

let me look

OpenStudy (anonymous):

A=4pir^2

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

how i can find the radius of sphere , given rectangular dimention

OpenStudy (anonymous):

thats what im thinking rite now

OpenStudy (anonymous):

its A.

OpenStudy (anonymous):

can you tell me how to get that answer?

OpenStudy (anonymous):

so what is the base of the sphere

OpenStudy (anonymous):

it is from the center of the rectangular cube to one of its extremes.

OpenStudy (anonymous):

ok continue

OpenStudy (anonymous):

that is , sqrt [(4/2)^2+(5/2)^2+(7/2)^2]

OpenStudy (anonymous):

just visualize the rectangular solid, you will see immediately that that is the case.

OpenStudy (anonymous):

ok good job

OpenStudy (anonymous):

http://www.twiddla.com/527982 join me there I will show you

OpenStudy (anonymous):

Im there now

OpenStudy (anonymous):

I dn't know how start

OpenStudy (anonymous):

im there now

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