Question 358317
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Hi,
Let x be the mesure of angle B.  Then angle A= x/2 and angle C= 1.5x
{{{x + x/2 + (3/2)x = 180}}}
2x + x + 3x = 360
6x = 360
x = 60 degrees the measure of angle B
The measure of angle C = 1.5*60 = 90 degrees
checking our answer
60 + 30 + 90 = 180 = 180