area of square
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area of square
by anton ricketts » Mon Feb 20, 2012 12:03 pm
The are of a square is 200 cm^2. how long is the diagonal
- anton ricketts
Re: area of square
by admin » Mon Feb 20, 2012 12:12 pm
c: diagonal
a, b: sides of square
c^2=a^2+b^2=a^2+a^2=2a^2
a = sqrt(200cm^2)
c=sqrt( 2*sqrt(200)^2 )
c=sqrt( 2*200 )
a, b: sides of square
c^2=a^2+b^2=a^2+a^2=2a^2
a = sqrt(200cm^2)
c=sqrt( 2*sqrt(200)^2 )
c=sqrt( 2*200 )
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