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digital textbook: click each link below to learn the concepts. each component includes a video and you can select your desired language. student fl geometry -> triangle congruence -> proving triangles congruent -> 5.6.2 guided instruction student fl geometry -> triangle congruence -> proving triangles congruent -> 5.6.3 guided practice then, answer check your understanding assignment below. you have three attempts. given: \\( \overline { x h } \perp \overline { y v } \\), \\( \overline { y x } \cong \overline { v x } \\) prove: \\( \triangle v x h \cong \triangle y x h \\) complete the paragraph proof. it is given that \\( \overline { x h } \perp \overline { y v } \\), so \\( \angle v h x \\) and \\( \angle y h x \\) are right angles by the. therefore, \\( \triangle v x h \\) and \\( \triangle y x h \\) are right triangles by the. it is also given that \\( \overline { y x } \cong \overline { v x } \\). \\( \overline { h x } \cong \overline { h x } \\) by the. therefore, \\( \triangle v x h \cong \triangle y x h \\) by
Step1: Definition of perpendicular lines
If two lines are perpendicular, the angle between them is \(90^{\circ}\). So, if \(\overline{XH}\perp\overline{YV}\), then \(\angle VHX\) and \(\angle YHX\) are right angles by the definition of perpendicular lines.
Step2: Definition of right - triangle
A triangle with a right angle is a right - triangle. Since \(\angle VHX\) and \(\angle YHX\) are right angles, \(\triangle VXH\) and \(\triangle YXH\) are right triangles by the definition of right - triangle.
Step3: Reflexive property of congruence
For any segment \(a\), \(a\cong a\). So, \(\overline{HX}\cong\overline{HX}\) by the reflexive property of congruence.
Step4: Hypotenuse - Leg (HL) congruence theorem
In right - triangles, if the hypotenuse and a leg of one right - triangle are congruent to the hypotenuse and a leg of another right - triangle, then the two right - triangles are congruent. Here, \(\overline{YX}\cong\overline{VX}\) (hypotenuse) and \(\overline{HX}\cong\overline{HX}\) (common leg). So, \(\triangle VXH\cong\triangle YXH\) by the Hypotenuse - Leg (HL) congruence theorem.
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- definition of perpendicular lines
- definition of right - triangle
- reflexive property of congruence
- Hypotenuse - Leg (HL) congruence theorem