The British Flag Theorem deals with sums of squares of distances from an interior point in this figure.
The British Flag Theorem deals with sums of squares of distances from an interior point in this figure. Cutting a square off the "golden" variety of this figure yields another "golden" one, and gluing two opposite edges of this figure after giving it a half-twist yields a (*) Mobius strip. This figure's diagonal has length equal to the square root of the sum of the squares of its two perpendicular sides, a consequence of all of its angles being right. For ten points, name this type of quadrilateral which has four 90-degree angles, whose area is equal to its base times its height.
The British Flag Theorem deals with sums of squares of distances from an interior point in this figure.
{rectangle}s (prompt on {quadrilateral}, {trapezoid}, or {parallelogram}, do not accept or prompt rhombus or square)