this post was submitted on 08 Oct 2024
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The value of x (sh.itjust.works)
submitted 1 month ago by [email protected] to c/[email protected]
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[โ€“] [email protected] 8 points 1 month ago* (last edited 1 month ago) (1 children)

Nah, the imagery tricks you. 180 degrees to a line. 180 degrees inside a triangle.

So you can gather the inside unlabeled angle on the triangle on the left is only 80 degrees: (180-[60+40])

So you then know it's 100 on the right side of that +35 leaves you with 45 degrees left for the top of the right one.

180-45=. 135 degrees

[โ€“] [email protected] 6 points 1 month ago

Also if you add up all visible angles you get 135, so I'm sold on that alone. No no no, I won't hear any rebuttals.