SSAT Math Question 539: Answer and Explanation
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Question: 539
3. If the following is a right triangle and ∠2 measures 59°, what is the measure of ∠1?
- A. 26°
- B. 31°
- C. 43°
- D. 52°
Correct Answer: B
Explanation:
B is correct. A right triangle has one angle that measures 90°. If a second angle measures 49°, that accounts for 139° of the total 180° in the triangle. 180° – 139° = 31°