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?
解析: