• expatriado@lemmy.world
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    2 months ago

    correct, just commenting the 100/80 intersection looks like 90/90, i think it was intentionally misleading, classic trying to get you problem

    • SendMePhotos@lemmy.world
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      2 months ago

      Yes I originally thought 90 but then noticed the absence of a right angle sign. Also 60+40=100 which means the last angle should be 80. Making that perpendicular 100/80