Dot product and angle in space Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | 12 | Easy | Solved step by step |
| 2 | 9 | Easy | Solved step by step |
| 3 | −2 | Easy | Solved step by step |
| 4 | −9 | Medium | Solved step by step |
| 5 | −5 | Medium | Solved step by step |
| 6 | 45° | Medium | Solved step by step |
| 7 | A 27.3° | Medium | Solved step by step |
| 8 | 61.3° | Harder | Solved step by step |
| 9 | D 116.4° | Harder | Solved step by step |
| 10 | 61.9° | 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%.