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2007 AMC 10B Problem 15

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2007 AMC 10B Problem 15AMC 10 Step by Step
Name:                             Date: September 13, 2026
Angles & Polygons · difficulty 2 of 5 · about 3 min · position P11-15

The angles of quadrilateral ABCDABCD satisfy ∠A=2∠B=3∠C=4∠D.\angle A=2 \angle B=3 \angle C=4 \angle D. What is the degree measure of ∠A,\angle A, rounded to the nearest whole number?

  1. A)

    125125

  2. B)

    144144

  3. C)

    153153

  4. D)

    173173

  5. E)

    180180

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