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2007 AMC 10B Question 15

AMC10 · 2007 AMC 10B

Question 15

The angles of quadrilateral $ABCD$ satisfy $\angle A = 2\angle B = 3\angle C = 4\angle D.$ What is the degree measure of $\angle A,$ rounded to the nearest whole number?
  1. $125$
  2. $144$
  3. $153$
  4. $173$
  5. $180$