Given:ABCD is a square
FG, BC
BC = BE
AECG = AEBG
ABEC is equilateral
m2BEC = 60°
Prove:m2 ECD = 30°
Reasons
Statements
1. ABEC is equilateral
2. m2 GCE = 60°
3. ABCD is a square
4. Substitution
Plz help!!

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