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Some people say 25 since the signature of the original poster (no idea who) also contains some kind of triangle :)

That extra signature triangle reminds me off the 'belspelletjes' who used to be on tv

Haha indeed very true comment :) But in that game the word triangle would also count

14

try again :)

24

Correct ! Ill post the solution below :)

Kudos to me

Just 3 triangles