1. Remember what we know about vertical angles and solve for x. (SHOW WORK)
1 answer:
Answer:
Ans 1. 
Ans 2.a.

Ans.2.b.

Step-by-step explanation:
Solution:
1.
Vertically opposite angles are equal.

2.a.
proof for Δ BAC ≅ ΔKJL by SAS postulate.
InΔ BAC and Δ KJL
BA ≅ KJ Given
∠ BAC ≅ ∠ KJL {measure each angle is 90}

2.b.
proof for Δ BAC ≅ ΔKJL by HL theorem.
InΔ BAC and Δ KJL
BA ≅ KJ Given
∠ BAC ≅ ∠ KJL {measure each angle is 90}

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