Mathematics, 18.06.2021 07:40 lilpetals

Help plz... what are the missing proof
A. Substitution; converse of diagonals theorem
B. Sum of interior angles; converse of opposite angles theorem
C. Substitution, converse of opposite angles theorem
D. Sum of interior angles; converse of diagonals theorem
I think it's between B and C

Help plz...

what are the missing proofA. Substitution; converse of diagonals theorem B. Sum of in

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Help plz... what are the missing proof
A. Substitution; converse of diagonals theorem
B....

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