please help with this
(geometry proofs)
pic below

Here are some things you need for geometry proofs
Step-by-step explanation:
Make a game plan. ...
Make up numbers for segments and angles. ...
Look for congruent triangles (and keep CPCTC in mind). ...
Try to find isosceles triangles. ...
Look for parallel lines. ...
Look for radii and draw more radii. ...
Use all the givens.