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QuizMultiple Choice
Introduction to Proof
Question 1 • WCA - GEOMETRY A
4 lines extend from point E. A horizontal line extends to the left to point A and a vertical line extends up to point C. Another line extends halfway between the other 2 lines to point B. Lines A E and E C form a right angle.
Answer
A
∠BEA ≅ ∠CEAB
∠CEB ≅ ∠CEAC
m∠CEB = 45°D
m∠CEA = 45°