Geometry - Vertical Angles – Khan Academy Help Center

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Shawn Fox

May 31, 2017 00:09

I recently finished watching the video, Vertical Angles within the section, https://www.khanacademy.org/math/geometry/hs-geo-foundations

The issue is that near the end of the video the author still states that the general statement of vertical angles always being equal hasn't been proven yet. He states that he will show a proof in the next video. However the next section is equation practice with vertical angles which automatically assumes that vertical angles are equal. No proof was ever shown. What am I missing?

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Jett Burns

May 31, 2017 00:27
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Hi Shawn, unfortunately, the video you watched used to be in another section that did have the proof video following right after, but this video was moved to High School content without the following video included. That proof video probably still exists, it's just located somewhere else in Geometry.

Sorry for that inconvenience, I'll see if the proof video can be added. Thanks for your post. :)

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