SAT Math Multiple Choice Practice Question 484: Answer and Explanation

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Question: 484

4.

In the figure above, line p is parallel to line q. What is the value of a ?

A. 10
B. 30
C. 35
D. 40
E. 70

Correct Answer: B

Explanation:

B Fill in the angles of the small triangle. The lower left angle is 70° and the lower right angle is 80°. Because the angles in a triangle must add up to 180°, a = 180 – 70 – 80 = 30.

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