Right-triangle trigonometry Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | x = 6 | Easy | Solved step by step |
| 2 | x ≈ 6.4 | Easy | Solved step by step |
| 3 | A x ≈ 3.9 | Easy | Solved step by step |
| 4 | x ≈ 7.0 | Easy | Solved step by step |
| 5 | C x ≈ 9.8 cm | Medium | Solved step by step |
| 6 | x = 6 | Medium | Solved step by step |
| 7 | C x ≈ 11.0 | Medium | Solved step by step |
| 8 | 30° | Harder | Solved step by step |
| 9 | 60° | Harder | Solved step by step |
| 10 | 51.1° | Harder | Solved step by step |
Grade
Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.