Question 108
A trapezoid $ABCD$ ($AB \parallel CD$) is inscribed into the parabola $y = x^2$. The line containing the midline $MN$ of this trapezoid meets the parabola at points $K$ and $L$.
Prove that the lengths of the segments $KM$ and $NL$ are equal.
(I. Gorodnin)
Prove that the lengths of the segments $KM$ and $NL$ are equal.
(I. Gorodnin)