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# How many radians are in 120 degrees?

No decimals allowed.

How do I do this?

Update:

I think 2/3 but do I say 2/3 or 2pi/3?

* pi for radian

### 6 Answers

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- notthejakeLv 71 decade agoFavorite Answer
2pi/3 (or 2/3 pi)

it's a ratio:

pi radians = 180 degrees

so 120 * (pi / 180) = pi * (120 / 180) = pi (2/3) or (2pi/3)

- Anonymous5 years ago
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RE:

How many radians are in 120 degrees?

No decimals allowed.

How do I do this?

Source(s): radians 120 degrees: https://shortly.im/X4Jat - JessicaLv 45 years ago
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Note that 180° = π radians. Then.. -120° = -120π/180 = -2π/3 radians I hope this helps!

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- 1 decade ago
pi = 180 degrees.

therefore, 120 degrees x (pi radians /180 degrees) = (2/3) pi radians

because the degrees cancel out and you're left with radians.

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