# Find the length of red arc AB

Find the length of red arc AB (r1=1, r2=2). Express result to the accuracy of 3 decimal.Correct answers:

**43**The first user who solved this task is

**Roxana zavari**.#brainteasers #math

Correct answers: **43**

The first user who solved this task is **Roxana zavari**.

#brainteasers #math

## Denis DiderotBorn 5 Oct 1713; died 31 Jul 1784 at age 70. French encyclopedist. |

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