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The value of x (sh.itjust.works)
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[-] TheGrandNagus@lemmy.world 176 points 13 hours ago* (last edited 13 hours ago)

What a deviously misleading diagram.

The triangle on the left isn't actually a right angle triangle, as the other angles add to 100°, meaning the final one is actually 80°, not 90°.

Therefore the triangle on the right also isn't a right angle triangle. That corner is 100°.

100+35=135°. 180-135=45°. So that's 45° for the top angle.

X = the straight line of the joined triangles (180°) - the top angle of the right triangle (45°). 180-45=135°

X is 135°, not the 125° it initially appears to be.

[-] frezik@midwest.social 14 points 9 hours ago
[-] Ashiette@lemmy.world 2 points 8 hours ago
[-] sin_free_for_00_days@sopuli.xyz 5 points 8 hours ago* (last edited 8 hours ago)
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this post was submitted on 08 Oct 2024
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