{ "@context":"https://www.w3.org/ns/activitystreams", "type":"Collection", "id":"https://gopinath.org/objects/20nj91D9kLM/thread", "items":[ { "@context":[ "https://www.w3.org/ns/activitystreams", {"Hashtag":"as:Hashtag"} ], "published":"2023-07-10T05:39:32.061Z", "attributedTo":"https://gopinath.org/actors/rahul", "to":["https://www.w3.org/ns/activitystreams#Public"], "cc":["https://gopinath.org/actors/rahul/followers"], "content":"

Halp! My 6 year old is learning geometric shapes, and wants to know how to construct a _Left Angle Triangle_.

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@rahul What? Never heard of a left angle triangle. Google tells me ā€œA triangle is said to be left-angled if it has an angle equal to 90 degrees on its left side.ā€, which to me still opens the question what is the left (or right) side of a triangle. Further research indicates that a right-angled triangle has the shape of an ā€œLā€, still I cannot remember to have ever heard about the term šŸ¤”

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@stephan Indeed, there isn't one. The right here seems to come from *rectus* in Latin meaning *upright*, which is not easy to explain to a six year old.

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