The Giant Circle CHALLENGE! Name: Find each angle measure!! mangle 1=underline mangle 12=underline mangle 2=underline mangle 13=underline mangle 3=underline mangle 14=underline mangle 4=underline mangle 15=underline mangle 5=underline mangle 16=underline mangle 6=underline mangle 17=underline mangle 7=underline mangle 18=underline mangle 8=underline mangle 19=underline mangle 9=underline mangle 20=underline Gven:G is the center of the circle overline AD is a diameter, mwidehat AB=78 . mangle 10=underline mangle 21=underline mwidehat FE=105 ° mwidehat ED=27 , mCD=42° mangle 11=underline @ Gina Wilson All Things Algebra, 2015