Question 1193079
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You have solved correctly for x.<br>
Angles A and B are supplementary, so<br>
(2x+4)+(3x-34)=180
5x-30=180
5x=210
x=42<br>
Now plug in x=42 to find the measure of angle A (2x+4) and angle B (3x-34).<br>
Then, since this is a parallelogram, the measure of angle C is the same as angle A, and the measure of angle D is the same as angle B.<br>