GRE考试

【单选题】Directions: In the following of the questions,choose the best answer from the five choicew listeD、
What is the measure of the angle formed by the minute and hour hands of a clock at 1:50
(1) 90°B、95°
C、105°D、115°E、120°
网考网参考答案：D
网考网解析：
For problems such as this, always draw a diagram. The measure of each of the 12 central angles from one number to the next on the clock is 30°. At 1:50 the minute hand is pointing at 10, and the hour hand has gone [*] of the way from 1 to 2. Then, from 10 to 1 on the clock is 90°, and from 1 to the hour hand is [*](30)°= 25°, a + 25° = 115°. [*] document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>