In a rectangle ABCD, E is the midpoint of AB ; F is a point on AC such that BF is perpendicular to AC, and FE perpendicular to BD. Suppose units; find AB.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.