Answer:
The shape is about 16 units in diameter.
3/10, or 23.1%
Step-by-step explanation:
Secants:
<CBG
<AGF
<ABD
Tangent:
<CDE
Chords:
<BD
<DF
<BG
<BF
<GD
<FG
I haven't figured out the nineteen angles, i would love heIp as well with them.