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Triangle ABC is isosceles with angle B congruent to angle C. The measure of angle C is four times the measure of angle A plus 9 degrees. What is the number of degrees in the measure of angle B?

 Oct 22, 2021
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Angle B = 4[(180 - 18) / 9] + 9         (If I understood the question correctly)indecision

 Oct 22, 2021

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