10-20-30-40 What Comes Next

Geometry Level 4

In triangle ABCABC, we have a point DD such that DAC=10 \angle DAC = 10^\circ, DCA=20\angle DCA = 20^\circ, DAB=30\angle DAB = 30^\circ and ABC=40\angle ABC = 40^\circ. What is BDC \angle BDC?

×

Problem Loading...

Note Loading...

Set Loading...