Question

Find the length of arc AB. Round all answers to the

hundredths place (2 decimal places).
B
6 cm
120°
D

Answer 1

10.39

Explanation:

Connect the two points of AB

Let the center of the circle be D

BD/ sinBAD = AB/ADB

6/sin30° = AB/sin120°

AB = 6√3 = 10.39

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