SAT Math Multiple Choice Question 954: Answer and Explanation

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Test Information

Question: 954


In the figure above,,, andall intersect. What is the value of n?

  • A. 30
  • B. 40
  • C. 50
  • D. 60

Correct Answer: B



Difficulty: Easy

Category: Additional Topics in Math / Geometry

Strategic Advice: Use your knowledge of angle properties to quickly find the answer. Angles that form a straight line sum to 180°, and vertical angles have equal measures.

Getting to the Answer: The three angles on the left side form a straight line, so. Solving for m gives 40. The angles marked m° and n° are vertical angles, so n = 40 as well. (B) is correct.

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