SAT Math Multiple Choice Question 58: Answer and Explanation

Home > SAT Test > SAT Math Multiple Choice Practice Tests

Test Information

Question: 58

4.

In the figure above, x || y. What is the value of a ?

  • A. b + c
  • B. 2b - c
  • C. 180 - b + c
  • D. 180 - b - c

Correct Answer: D

Explanation:

D Don't forget that you can plug in numbers on geometry questions. Let's make b = 70° and a = 30°. So the third angle in the triangle is 80°. You know that c would be 80°, because it is opposite an 80° angle. Your target answer is a = 30°, so plug in 80° and 70° to find it. The only possible answer is (D).

Previous       Next