SSAT Math Question 172: Answer and Explanation
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Question: 172
6. In two days a point on the earth's surface rotates through an angle of approximately
- A. 90°
- B. 180°
- C. 360°
- D. 480°
Correct Answer: E
Explanation:
The correct answer is (E). Any point on the surface rotates once each day relative to a point in space. Each revolution is an angle of 360°. In two days, two revolutions take place,
360° × 2 = 720°.