9514 1404 393
Answer:
b = √32
Step-by-step explanation:
The Pythagorean theorem tells you the relation between the side lengths is ...
2² + b² = 6²
b² = 36 -4 = 32
b = √32
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<em>Additional comment</em>
This radical can be simplified by removing a square from under the radical.
The inscribed angle is always half of the central angle.
So 60÷2=30