Angles in a polygon Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | sum = 540° | Easy | Solved step by step |
| 2 | sum = 360° | Easy | Solved step by step |
| 3 | D x = 90 | Easy | Solved step by step |
| 4 | x = 105 | Easy | Solved step by step |
| 5 | C 135° | Medium | Solved step by step |
| 6 | x = 100 | Medium | Solved step by step |
| 7 | C x = 50 | Medium | Solved step by step |
| 8 | x = −10 | Medium | Solved step by step |
| 9 | C 128.6° | Harder | Solved step by step |
| 10 | x = 36 | 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%.