题目内容
把
弧度化成角度为( )
| π |
| 12 |
| A.15° | B.18° | C.22.5° | D.12° |
∵π=180°,
∴
=
×
=15°.
故选:A.
∴
| π |
| 12 |
| π |
| 12 |
| 180° |
| π |
故选:A.
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题目内容
| π |
| 12 |
| A.15° | B.18° | C.22.5° | D.12° |
| π |
| 12 |
| π |
| 12 |
| 180° |
| π |