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if angle A and angle B are vertical angles. if angle A = (8x – 4)º and angle B = (7x + 3)º,
then find the measure of B
Angle B is 52 degrees If they are vertical angles then A and B will equal the same angle To solve make this equation 8x-4=7x+3 Add the 4 to the 3 on the other side of the equation 8x=7x+7 Next subtract 7x from 8x 1x=7 Now we know what x is, so the last step is to multiply and add. 7•7=49 49+3=52
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