Question 108769
the tree, wire and base form a right triangle with the wire as the hypotenuse


let x="tree height" ... by Pythagoras, x^2+(x-49)^2=(x+1)^2 ... x^2+x^2-98x+2401=x^2+2x+1


x^2-100x+2400=0 ... (x-60)(x-40)=0