if you can solve it in first chance, you are a genius......
here it is
Given a triangle ABC, side AB = side AC. Draw a line from C to
side AB. Call that line CD. Now draw a line from B to side AC. Call
that line BE. Let angle EBC = 60 degrees, angle BCD = 70 degrees, angle ABE = 20 degrees, and angle DCE = 10 degrees. Now draw
line DE. Find angle EDC. Do not do this trigonometrically; do it
geometrically to get an exact answer.
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.
No explanations have been posted yet. Check back later!