Radian
A radian is a way we can measure angles - just like degrees!
The radian has a few useful properties though.
Radians in a full circle
There are
Converting from/to degrees
2\pi rad=360\degree - so:
1\pi rad=180\degree
To convert degrees to radians:
- Multiply by
\frac{\pi}{180}
To convert radians to degrees:
- Multiply by
\frac{180}{\pi}
flashcards
| Question | Answer |
|---|---|
| What is a radian? | A radian is a way we can measure angles, just like degrees. |
| How many radians are in a full turn of a circle? | There are |
| How many radians are equal to | |
| How do you convert degrees to radians? | Multiply by |
| How do you convert radians to degrees? | Multiply by |