Find the measure of angle
in degrees.
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.
Doing the sum of angles at point O and the sum of internal angles of triangle ABC provides a system of equations for x and the unnamed angle at O. Solve the system.