### Science Library Quiz

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# Right-angle triangles, sine and cosine

Instructions: answer the questions, check them carefully, and when you are sure they are all right, press submit. The number of correct answers will be displayed.

Question 1: What is the length x?

Question 2: What is the angle θ?

Question 3: What is θ?

Question 4: What is the area of this triangle?

Question 5: How high is the box base from the floor at the highest point, if the angle of the side of the box to the wall is 35°??

Question 6: What is \${cosθ}/{sinθ}\$?

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