2. 外语
  3. Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional

Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional

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问题 Each of Questions 1 to 7 presents two quantities. Quantity A and Quantity B. Compare the two quantities. You may use additional information centered above the quantities if such information is given. Choose one of the following answer choices:
A if Quantity A is greater;
B if Quantity B is greater;
C if the two quantities are equal;
D if you cannot determine the relationship based on the given information.

选项 A、 
B、 
C、 
D、 
答案C
解析 The correct answer is C. Because the triangle in this problem is a right triangle, use the Pythagorean Theorem to compute the length of the hypotenuse, c, as follows:
c2 = 62 + 82
c2 = 36 + 64 = 100
Thus c=10, and Quantity A and Quantity B are equal.
    If you recognized that the triangle is a 3-4-5 triangle you could have quickly arrived at the correct answer.
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