Find the side and perimeter of a square whose diagonal is 10 cm
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l=8 cm, B= 6 cm & perimeter will be 2( l+B)=28cm
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given diagonal of a square =10cm
we know that each angle of square is 90 degree
we will apply pythagoras theorem here
let the side of square be x cm
=>x^2+x^2=10^2
=>2x^2=100
=>x^2=50
=>x=root 50
=>x=5 root 2
we know that each angle of square is 90 degree
we will apply pythagoras theorem here
let the side of square be x cm
=>x^2+x^2=10^2
=>2x^2=100
=>x^2=50
=>x=root 50
=>x=5 root 2
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