QUESTION IMAGE
Question
k is the midpoint of \\(\overline{hj}\\) and \\(\overline{gi}\\). complete the proof that \\(\triangle gjk \cong \triangle ihk\\).
| statement | reason |
|---|---|
| 2 \\(k\\) is the midpoint of \\(\overline{gi}\\) | given |
| 3 \\(\overline{hk} \cong \overline{jk}\\) | definition of midpoint |
| 4 \\(\overline{gk} \cong \overline{ik}\\) | definition of midpoint |
| 5 |
Step1: Identify vertical angles
Vertical angles formed by intersecting segments $\overline{HJ}$ and $\overline{GI}$ at $K$ are congruent.
$\angle GKJ \cong \angle IKH$
Step2: Apply SAS congruence
We have two pairs of congruent sides ($\overline{HK} \cong \overline{JK}$, $\overline{GK} \cong \overline{IK}$) and the included congruent vertical angles. By the Side-Angle-Side (SAS) Congruence Postulate, the triangles are congruent.
$\triangle GJK \cong \triangle IHK$
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Statement 5: $\angle GKJ \cong \angle IHK$
Reason 5: Vertical Angles Theorem
Statement 6: $\triangle GJK \cong \triangle IHK$
Reason 6: SAS Congruence Postulate