QueenMomo16
QueenMomo16 QueenMomo16
  • 08-02-2017
  • Mathematics
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I really need help on this one.

I really need help on this one class=

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Tucon
Tucon Tucon
  • 08-02-2017
   
m<M  + m<N = 180°
11x + 6x - 7 = 180
11x + 6x =  180 + 7
17x = 187
x = 187 : 17 = 11

m<M = m<O = 11x = 11 · 11 = 121°
m<N = m<L = 6x-7 = 6 · 11 -7 = 66 - 7 = 59°

Check :   121° + 59° = 180°   OK !  



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