angelg16223
angelg16223 angelg16223
  • 21-01-2017
  • Mathematics
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Please help! I am stuck

Please help I am stuck class=

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cpan2016 cpan2016
  • 21-01-2017
a. 27. 
we can prove that the two triangles within the triangle are congruent (the triangle is an isosceles) with SAS. then we do 180- (63 x 2). then we get the top angle. and then we divide 54 by 2 to make the individual angles and then we get 27. 
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