QUESTION IMAGE
Question
h is the midpoint of \\(\overline{gi}\\). complete the proof that \\(\triangle ghj \cong \triangle ihk\\).
| statement | reason |
|---|---|
| 2 \\(\overline{gj} \cong \overline{ik}\\) | given |
| 3 \\(\overline{hj} \cong \overline{hk}\\) | given |
| 4 \\(\overline{gh} \cong \overline{hi}\\) | definition of midpoint |
| 5 \\(\triangle ghj \cong \triangle ihk\\) |
Step1: Identify Congruent Parts
We have \( \overline{GJ} \cong \overline{IK} \) (given), \( \overline{HJ} \cong \overline{HK} \) (given), and \( \overline{GH} \cong \overline{HI} \) (from midpoint, so \( GH = HI \)).
Step2: Apply SSS Congruence
By the Side - Side - Side (SSS) Congruence Postulate, if three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent. For \( \triangle GHJ \) and \( \triangle IHK \), we have \( \overline{GJ} \cong \overline{IK} \), \( \overline{HJ} \cong \overline{HK} \), and \( \overline{GH} \cong \overline{HI} \). So the reason for \( \triangle GHJ \cong \triangle IHK \) is the SSS Congruence Postulate.
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SSS Congruence Postulate