the length of a diagonal of a square is 29 cm. find its area
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the diagonal will make a right angled triangle with the two sides of the square
let the measure of one side bex
then using pythagoras theorem we get,
x^2+x^2=29^2
x^2+x^2= 841
841/2=x^2
420.5=x^2
if x is the side thenzx^2 is the area of square
threfore area of square=420.5
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