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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

答案和解析

答案：B

解析：

Choice B is correct.