savagerussell51
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  • 01-10-2017
  • Mathematics
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Please someone help!!!!!!

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  • 01-10-2017
This is an isosceles triangle because the 2 base angles are equal and therefore the 2 sides MN and ML are equal also.
So 3x = x + 10
2x = 10
x = 5

Length of MN =  5 + 10  = 15 Answer
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