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sat答案每日一题附答案息争析数学2020年1月2日

标签:答案,每日,一题,数学   发布时间:2020年09月30日   点击21
  • 第 1 页:每日一题
  • 第 2 页:答案息争析


Mathematics>Standard Multiple Choice

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


Note: figure not drawn to scale.

In the figure shown above, DB has a length of 6 feet (ft), and AE has a length of 20 ft. It is given that sin(θ)≈0.616 and cos(θ)≈0.788. What is the approximate length of EC?

A.12.32ft
B.15.76ft
C.25.38ft
D.32.47ft

来源:可可英语 http://www.esmo.cn/kekenet3564/sat/202001/602946.shtml