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24-12-2017
Mathematics

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suppose that BCD is isosceles with base DC. Suppose also that m B=(3x+47)° and m D=(4x+6)° Find the degree measure of each angle in the triangle.

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24-12-2017

the base angles of isosceles triangles are congruent therefore Angle c also measures 4x+6. add all 3 angles of any triangle you always get 180

3x+47 + 4x+6 + 4x+6=180
11x=121
x=11 the three angles measure 80, 50, and 50

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