Mark M. answered • 11/29/20
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Mathematics Teacher - NCLB Highly Qualified
The sum of the measures of the angles of a triangle equal to 180°
2 Answers By Expert Tutors
Sam Z. answered • 11/30/20
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4.3
(12)
Math/Science Tutor
35+(-19+3x)+(x+28)=180
48+4x=180
4x=132
x=33
α=39
β=61=(x+28)
γ=80=(-19+3x)
=180
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