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一道SAT数学考试题及其解法.

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  SAT数学考试对于中国高中的考生来说一般还是很有把握的,但是对于低年级的中国考生就需要更多的练习了。SAT数学考试题的解法的积累是尽量减少这种练习的有效途径,也是积累SAT数学词汇的好办法。下面就是一道SAT数学考试题及其解法,供大家参考。

  Read the following SAT test question, then click on a button to select your answer.

  What is the area of the triangle in the figure above?

  A.4.0

  B.7.5

  C.8.0

  D.8.5

  E.15.0

  答案和解析

  Correct Answer: B

  Here&aposs Why:

  Figures in a Coordinate Plane

  The figure provides all the information you need to answer the question.

  What Is the Question Asking?

  You are asked to figure out the area of a triangle that is dined by the points in a coordinate plane.

  What Do You Know?

  The triangle in the figure is a right triangle with the right angle at the lower lt.

  Because it is a right triangle, its base and height are the two sides that form the right angle.

  The area of a triangle isbh.

  The base of the triangle extends from point (0, 0) to point (5, 0). So it is 5 units long.

  The height of the triangle extends from point (0, 0) to point (0, 3). So it is 3 units long.

  Area =bh=(3)(5)= (15)= 7.5

  Difficulty: Medium

  Question Type: Standard Multiple Choice

  SAT数学考试题题型则分为选择题和填写空格题两种,考察范围包括算术及应用题、代数及函数、几何及度量衡、数据分析、统计学及基础概率论。大家在备考自己的SAT数学考试的时候,可以练习一下相关的解法。

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