ISEE Mathematics Achievement Question 212: Answer and Explanation
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Question: 212
7. In the figure shown, the two outer rays form a right angle. If angle 1 measures 65°, what is the measure of angle 2?
- A. 90°
- B. 60°
- C. 35°
- D. 25°
Correct Answer: D
Explanation:
D is correct. A right angle measures 90°. If angle 1 measures 65°, then angle 2 must measure 90° − 65° = 25°.