Can someone explain me how do you calculate this?

  • jjj@lemmy.blahaj.zone
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    3 months ago

    The opposite angles made by 2 intersecting lines must be equal, so we know that m/3 + 75 = m/2 + 64.

    From there we can solve it like any equation
     m/3 + 75  =  m/2 + 64
    -m/3         -m/3
           75  =  m/6 + 64
          -64          -64
           11  =  m/6
           ×6      ×6
           66  =  m