• Drew
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    5 hours ago

    A is clearly a right angle

    • Rivalarrival@lemmy.today
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      4 hours ago

      A is drawn in such a way that it resembles a right angle, but it is not labeled as such. The length of the hypotenuse is given as zero. The opposite angle cannot be anything but 0°.

      • Drew
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        2 hours ago

        The pythagoras theorem only holds if A is a right triangle